Home / 143,134,400.10-214,701,600.15-120,963,468.90

Finding the Fourth Proportional to 143,134,400.10, 214,701,600.15 and 120,963,468.90

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Solution

The fourth proportional to 143,134,400.10, 214,701,600.15 and 120,963,468.90 is: 181,445,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,134,400.10 : 214,701,600.15 = 120,963,468.90 : x
  2. Step 2: Convert to fraction form
    143,134,400.10/214,701,600.15 = 120,963,468.90/x
  3. Step 3: Cross multiply
    143,134,400.10x = 214,701,600.15 × 120,963,468.90
  4. Step 4: Simplify right side
    143,134,400.10x = 25,971,050,332,524,764
  5. Step 5: Solve for x
    x = 25,971,050,332,524,764/143,134,400.10
  6. Step 6: Final answer
    x = 181,445,203.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.