Home / 157,725.23-217,657.92-89,740.71

Finding the Fourth Proportional to 157,725.23, 217,657.92 and 89,740.71

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Solution

The fourth proportional to 157,725.23, 217,657.92 and 89,740.71 is: 123,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,725.23 : 217,657.92 = 89,740.71 : x
  2. Step 2: Convert to fraction form
    157,725.23/217,657.92 = 89,740.71/x
  3. Step 3: Cross multiply
    157,725.23x = 217,657.92 × 89,740.71
  4. Step 4: Simplify right side
    157,725.23x = 19,532,776,277.92
  5. Step 5: Solve for x
    x = 19,532,776,277.92/157,725.23
  6. Step 6: Final answer
    x = 123,840.53

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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.