Home / 86,136.18-129,194.02-22,961.04

Finding the Fourth Proportional to 86,136.18, 129,194.02 and 22,961.04

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Solution

The fourth proportional to 86,136.18, 129,194.02 and 22,961.04 is: 34,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,136.18 : 129,194.02 = 22,961.04 : x
  2. Step 2: Convert to fraction form
    86,136.18/129,194.02 = 22,961.04/x
  3. Step 3: Cross multiply
    86,136.18x = 129,194.02 × 22,961.04
  4. Step 4: Simplify right side
    86,136.18x = 2,966,429,331.92
  5. Step 5: Solve for x
    x = 2,966,429,331.92/86,136.18
  6. Step 6: Final answer
    x = 34,438.83

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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.