Home / 157,247.12-217,001.04-85,627.12

Finding the Fourth Proportional to 157,247.12, 217,001.04 and 85,627.12

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Solution

The fourth proportional to 157,247.12, 217,001.04 and 85,627.12 is: 118,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,247.12 : 217,001.04 = 85,627.12 : x
  2. Step 2: Convert to fraction form
    157,247.12/217,001.04 = 85,627.12/x
  3. Step 3: Cross multiply
    157,247.12x = 217,001.04 × 85,627.12
  4. Step 4: Simplify right side
    157,247.12x = 18,581,174,092.20
  5. Step 5: Solve for x
    x = 18,581,174,092.20/157,247.12
  6. Step 6: Final answer
    x = 118,165.43

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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.