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Finding the Fourth Proportional to 160,096.97, 220,947.82 and 88,490.95

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Solution

The fourth proportional to 160,096.97, 220,947.82 and 88,490.95 is: 122,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,096.97 : 220,947.82 = 88,490.95 : x
  2. Step 2: Convert to fraction form
    160,096.97/220,947.82 = 88,490.95/x
  3. Step 3: Cross multiply
    160,096.97x = 220,947.82 × 88,490.95
  4. Step 4: Simplify right side
    160,096.97x = 19,551,881,718.63
  5. Step 5: Solve for x
    x = 19,551,881,718.63/160,096.97
  6. Step 6: Final answer
    x = 122,125.24

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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.