Home / 82,130.13-123,195.60-22,970.97

Finding the Fourth Proportional to 82,130.13, 123,195.60 and 22,970.97

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Solution

The fourth proportional to 82,130.13, 123,195.60 and 22,970.97 is: 34,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.13 : 123,195.60 = 22,970.97 : x
  2. Step 2: Convert to fraction form
    82,130.13/123,195.60 = 22,970.97/x
  3. Step 3: Cross multiply
    82,130.13x = 123,195.60 × 22,970.97
  4. Step 4: Simplify right side
    82,130.13x = 2,829,922,431.73
  5. Step 5: Solve for x
    x = 2,829,922,431.73/82,130.13
  6. Step 6: Final answer
    x = 34,456.57

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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.