Home / 157,311.24-217,094.72-89,331.16

Finding the Fourth Proportional to 157,311.24, 217,094.72 and 89,331.16

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Solution

The fourth proportional to 157,311.24, 217,094.72 and 89,331.16 is: 123,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,311.24 : 217,094.72 = 89,331.16 : x
  2. Step 2: Convert to fraction form
    157,311.24/217,094.72 = 89,331.16/x
  3. Step 3: Cross multiply
    157,311.24x = 217,094.72 × 89,331.16
  4. Step 4: Simplify right side
    157,311.24x = 19,393,323,167.48
  5. Step 5: Solve for x
    x = 19,393,323,167.48/157,311.24
  6. Step 6: Final answer
    x = 123,279.96

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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.