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Finding the Fourth Proportional to 159,859.53, 220,604.92 and 88,239.53

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Solution

The fourth proportional to 159,859.53, 220,604.92 and 88,239.53 is: 121,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,859.53 : 220,604.92 = 88,239.53 : x
  2. Step 2: Convert to fraction form
    159,859.53/220,604.92 = 88,239.53/x
  3. Step 3: Cross multiply
    159,859.53x = 220,604.92 × 88,239.53
  4. Step 4: Simplify right side
    159,859.53x = 19,466,074,787.40
  5. Step 5: Solve for x
    x = 19,466,074,787.40/159,859.53
  6. Step 6: Final answer
    x = 121,769.87

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1.5x scale

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.