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Finding the Fourth Proportional to 84,147.70, 126,220.55 and 24,177.65

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Solution

The fourth proportional to 84,147.70, 126,220.55 and 24,177.65 is: 36,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,147.70 : 126,220.55 = 24,177.65 : x
  2. Step 2: Convert to fraction form
    84,147.70/126,220.55 = 24,177.65/x
  3. Step 3: Cross multiply
    84,147.70x = 126,220.55 × 24,177.65
  4. Step 4: Simplify right side
    84,147.70x = 3,051,716,280.71
  5. Step 5: Solve for x
    x = 3,051,716,280.71/84,147.70
  6. Step 6: Final answer
    x = 36,266.19

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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.