Home / 72,153.27-108,229.95-19,562.76

Finding the Fourth Proportional to 72,153.27, 108,229.95 and 19,562.76

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Solution

The fourth proportional to 72,153.27, 108,229.95 and 19,562.76 is: 29,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,153.27 : 108,229.95 = 19,562.76 : x
  2. Step 2: Convert to fraction form
    72,153.27/108,229.95 = 19,562.76/x
  3. Step 3: Cross multiply
    72,153.27x = 108,229.95 × 19,562.76
  4. Step 4: Simplify right side
    72,153.27x = 2,117,276,536.66
  5. Step 5: Solve for x
    x = 2,117,276,536.66/72,153.27
  6. Step 6: Final answer
    x = 29,344.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.