Home / 157,472.24-217,314.70-85,855.28

Finding the Fourth Proportional to 157,472.24, 217,314.70 and 85,855.28

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Solution

The fourth proportional to 157,472.24, 217,314.70 and 85,855.28 is: 118,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,472.24 : 217,314.70 = 85,855.28 : x
  2. Step 2: Convert to fraction form
    157,472.24/217,314.70 = 85,855.28/x
  3. Step 3: Cross multiply
    157,472.24x = 217,314.70 × 85,855.28
  4. Step 4: Simplify right side
    157,472.24x = 18,657,613,115.40
  5. Step 5: Solve for x
    x = 18,657,613,115.40/157,472.24
  6. Step 6: Final answer
    x = 118,481.92

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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.