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Finding the Fourth Proportional to 157,454.58, 217,265.41 and 92,926.52

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Solution

The fourth proportional to 157,454.58, 217,265.41 and 92,926.52 is: 128,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,454.58 : 217,265.41 = 92,926.52 : x
  2. Step 2: Convert to fraction form
    157,454.58/217,265.41 = 92,926.52/x
  3. Step 3: Cross multiply
    157,454.58x = 217,265.41 × 92,926.52
  4. Step 4: Simplify right side
    157,454.58x = 20,189,717,962.55
  5. Step 5: Solve for x
    x = 20,189,717,962.55/157,454.58
  6. Step 6: Final answer
    x = 128,225.66

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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.