Home / 157,536.42-217,391.61-89,543.94

Finding the Fourth Proportional to 157,536.42, 217,391.61 and 89,543.94

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Solution

The fourth proportional to 157,536.42, 217,391.61 and 89,543.94 is: 123,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,536.42 : 217,391.61 = 89,543.94 : x
  2. Step 2: Convert to fraction form
    157,536.42/217,391.61 = 89,543.94/x
  3. Step 3: Cross multiply
    157,536.42x = 217,391.61 × 89,543.94
  4. Step 4: Simplify right side
    157,536.42x = 19,466,101,282.34
  5. Step 5: Solve for x
    x = 19,466,101,282.34/157,536.42
  6. Step 6: Final answer
    x = 123,565.72

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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.