Home / 72,136.19-108,110.52-29,391.72

Finding the Fourth Proportional to 72,136.19, 108,110.52 and 29,391.72

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Solution

The fourth proportional to 72,136.19, 108,110.52 and 29,391.72 is: 44,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,136.19 : 108,110.52 = 29,391.72 : x
  2. Step 2: Convert to fraction form
    72,136.19/108,110.52 = 29,391.72/x
  3. Step 3: Cross multiply
    72,136.19x = 108,110.52 × 29,391.72
  4. Step 4: Simplify right side
    72,136.19x = 3,177,554,132.89
  5. Step 5: Solve for x
    x = 3,177,554,132.89/72,136.19
  6. Step 6: Final answer
    x = 44,049.38

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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.