Home / 83,164.34-124,763.99-27,000.07

Finding the Fourth Proportional to 83,164.34, 124,763.99 and 27,000.07

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Solution

The fourth proportional to 83,164.34, 124,763.99 and 27,000.07 is: 40,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,164.34 : 124,763.99 = 27,000.07 : x
  2. Step 2: Convert to fraction form
    83,164.34/124,763.99 = 27,000.07/x
  3. Step 3: Cross multiply
    83,164.34x = 124,763.99 × 27,000.07
  4. Step 4: Simplify right side
    83,164.34x = 3,368,636,016.57
  5. Step 5: Solve for x
    x = 3,368,636,016.57/83,164.34
  6. Step 6: Final answer
    x = 40,505.77

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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.