Home / 159,835.68-220,572.15-88,215.70

Finding the Fourth Proportional to 159,835.68, 220,572.15 and 88,215.70

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Solution

The fourth proportional to 159,835.68, 220,572.15 and 88,215.70 is: 121,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,835.68 : 220,572.15 = 88,215.70 : x
  2. Step 2: Convert to fraction form
    159,835.68/220,572.15 = 88,215.70/x
  3. Step 3: Cross multiply
    159,835.68x = 220,572.15 × 88,215.70
  4. Step 4: Simplify right side
    159,835.68x = 19,457,926,612.76
  5. Step 5: Solve for x
    x = 19,457,926,612.76/159,835.68
  6. Step 6: Final answer
    x = 121,737.07

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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.