Home / 84,144.95-126,139.50-44,155.65

Finding the Fourth Proportional to 84,144.95, 126,139.50 and 44,155.65

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Solution

The fourth proportional to 84,144.95, 126,139.50 and 44,155.65 is: 66,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,144.95 : 126,139.50 = 44,155.65 : x
  2. Step 2: Convert to fraction form
    84,144.95/126,139.50 = 44,155.65/x
  3. Step 3: Cross multiply
    84,144.95x = 126,139.50 × 44,155.65
  4. Step 4: Simplify right side
    84,144.95x = 5,569,771,613.18
  5. Step 5: Solve for x
    x = 5,569,771,613.18/84,144.95
  6. Step 6: Final answer
    x = 66,192.59

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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.