Home / 156,002.10-234,003.15-130,632.90

Finding the Fourth Proportional to 156,002.10, 234,003.15 and 130,632.90

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Solution

The fourth proportional to 156,002.10, 234,003.15 and 130,632.90 is: 195,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,002.10 : 234,003.15 = 130,632.90 : x
  2. Step 2: Convert to fraction form
    156,002.10/234,003.15 = 130,632.90/x
  3. Step 3: Cross multiply
    156,002.10x = 234,003.15 × 130,632.90
  4. Step 4: Simplify right side
    156,002.10x = 30,568,510,093.64
  5. Step 5: Solve for x
    x = 30,568,510,093.64/156,002.10
  6. Step 6: Final answer
    x = 195,949.35

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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.