Home / 157,538.42-217,394.48-89,545.96

Finding the Fourth Proportional to 157,538.42, 217,394.48 and 89,545.96

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Solution

The fourth proportional to 157,538.42, 217,394.48 and 89,545.96 is: 123,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,538.42 : 217,394.48 = 89,545.96 : x
  2. Step 2: Convert to fraction form
    157,538.42/217,394.48 = 89,545.96/x
  3. Step 3: Cross multiply
    157,538.42x = 217,394.48 × 89,545.96
  4. Step 4: Simplify right side
    157,538.42x = 19,466,796,683.06
  5. Step 5: Solve for x
    x = 19,466,796,683.06/157,538.42
  6. Step 6: Final answer
    x = 123,568.57

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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.