Home / 83,136.38-124,688.88-22,347.50

Finding the Fourth Proportional to 83,136.38, 124,688.88 and 22,347.50

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Solution

The fourth proportional to 83,136.38, 124,688.88 and 22,347.50 is: 33,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136.38 : 124,688.88 = 22,347.50 : x
  2. Step 2: Convert to fraction form
    83,136.38/124,688.88 = 22,347.50/x
  3. Step 3: Cross multiply
    83,136.38x = 124,688.88 × 22,347.50
  4. Step 4: Simplify right side
    83,136.38x = 2,786,484,745.80
  5. Step 5: Solve for x
    x = 2,786,484,745.80/83,136.38
  6. Step 6: Final answer
    x = 33,517.03

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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.