Home / 157,279.20-217,047.60-89,293.92

Finding the Fourth Proportional to 157,279.20, 217,047.60 and 89,293.92

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Solution

The fourth proportional to 157,279.20, 217,047.60 and 89,293.92 is: 123,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,279.20 : 217,047.60 = 89,293.92 : x
  2. Step 2: Convert to fraction form
    157,279.20/217,047.60 = 89,293.92/x
  3. Step 3: Cross multiply
    157,279.20x = 217,047.60 × 89,293.92
  4. Step 4: Simplify right side
    157,279.20x = 19,381,031,030.59
  5. Step 5: Solve for x
    x = 19,381,031,030.59/157,279.20
  6. Step 6: Final answer
    x = 123,226.92

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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.