Home / 108,135.12-149,227.20-60,389.04

Finding the Fourth Proportional to 108,135.12, 149,227.20 and 60,389.04

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Solution

The fourth proportional to 108,135.12, 149,227.20 and 60,389.04 is: 83,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,135.12 : 149,227.20 = 60,389.04 : x
  2. Step 2: Convert to fraction form
    108,135.12/149,227.20 = 60,389.04/x
  3. Step 3: Cross multiply
    108,135.12x = 149,227.20 × 60,389.04
  4. Step 4: Simplify right side
    108,135.12x = 9,011,687,349.89
  5. Step 5: Solve for x
    x = 9,011,687,349.89/108,135.12
  6. Step 6: Final answer
    x = 83,337.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.