Home / 159,522.27-220,151.40-87,902.29

Finding the Fourth Proportional to 159,522.27, 220,151.40 and 87,902.29

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Solution

The fourth proportional to 159,522.27, 220,151.40 and 87,902.29 is: 121,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,522.27 : 220,151.40 = 87,902.29 : x
  2. Step 2: Convert to fraction form
    159,522.27/220,151.40 = 87,902.29/x
  3. Step 3: Cross multiply
    159,522.27x = 220,151.40 × 87,902.29
  4. Step 4: Simplify right side
    159,522.27x = 19,351,812,206.71
  5. Step 5: Solve for x
    x = 19,351,812,206.71/159,522.27
  6. Step 6: Final answer
    x = 121,311.04

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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.