Home / 82,084.89-123,127.70-22,920.40

Finding the Fourth Proportional to 82,084.89, 123,127.70 and 22,920.40

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Solution

The fourth proportional to 82,084.89, 123,127.70 and 22,920.40 is: 34,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,084.89 : 123,127.70 = 22,920.40 : x
  2. Step 2: Convert to fraction form
    82,084.89/123,127.70 = 22,920.40/x
  3. Step 3: Cross multiply
    82,084.89x = 123,127.70 × 22,920.40
  4. Step 4: Simplify right side
    82,084.89x = 2,822,136,174.39
  5. Step 5: Solve for x
    x = 2,822,136,174.39/82,084.89
  6. Step 6: Final answer
    x = 34,380.70

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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.