Home / 156,149.28-234,135.12-49,513.56

Finding the Fourth Proportional to 156,149.28, 234,135.12 and 49,513.56

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Solution

The fourth proportional to 156,149.28, 234,135.12 and 49,513.56 is: 74,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,149.28 : 234,135.12 = 49,513.56 : x
  2. Step 2: Convert to fraction form
    156,149.28/234,135.12 = 49,513.56/x
  3. Step 3: Cross multiply
    156,149.28x = 234,135.12 × 49,513.56
  4. Step 4: Simplify right side
    156,149.28x = 11,592,863,312.23
  5. Step 5: Solve for x
    x = 11,592,863,312.23/156,149.28
  6. Step 6: Final answer
    x = 74,242.18

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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.