Home / 145,688.10-218,618.55-95,910.90

Finding the Fourth Proportional to 145,688.10, 218,618.55 and 95,910.90

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Solution

The fourth proportional to 145,688.10, 218,618.55 and 95,910.90 is: 143,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,688.10 : 218,618.55 = 95,910.90 : x
  2. Step 2: Convert to fraction form
    145,688.10/218,618.55 = 95,910.90/x
  3. Step 3: Cross multiply
    145,688.10x = 218,618.55 × 95,910.90
  4. Step 4: Simplify right side
    145,688.10x = 20,967,901,887.20
  5. Step 5: Solve for x
    x = 20,967,901,887.20/145,688.10
  6. Step 6: Final answer
    x = 143,923.23

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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.