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Finding the Fourth Proportional to 195,397.76, 292,869.76 and 89,995.52

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Solution

The fourth proportional to 195,397.76, 292,869.76 and 89,995.52 is: 134,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,397.76 : 292,869.76 = 89,995.52 : x
  2. Step 2: Convert to fraction form
    195,397.76/292,869.76 = 89,995.52/x
  3. Step 3: Cross multiply
    195,397.76x = 292,869.76 × 89,995.52
  4. Step 4: Simplify right side
    195,397.76x = 26,356,966,343.48
  5. Step 5: Solve for x
    x = 26,356,966,343.48/195,397.76
  6. Step 6: Final answer
    x = 134,888.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.