Home / 159,737.20-220,438.65-88,119.70

Finding the Fourth Proportional to 159,737.20, 220,438.65 and 88,119.70

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Solution

The fourth proportional to 159,737.20, 220,438.65 and 88,119.70 is: 121,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,737.20 : 220,438.65 = 88,119.70 : x
  2. Step 2: Convert to fraction form
    159,737.20/220,438.65 = 88,119.70/x
  3. Step 3: Cross multiply
    159,737.20x = 220,438.65 × 88,119.70
  4. Step 4: Simplify right side
    159,737.20x = 19,424,987,706.41
  5. Step 5: Solve for x
    x = 19,424,987,706.41/159,737.20
  6. Step 6: Final answer
    x = 121,605.91

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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.