Home / 96,212.10-144,257.02-84,389.61

Finding the Fourth Proportional to 96,212.10, 144,257.02 and 84,389.61

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Solution

The fourth proportional to 96,212.10, 144,257.02 and 84,389.61 is: 126,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,212.10 : 144,257.02 = 84,389.61 : x
  2. Step 2: Convert to fraction form
    96,212.10/144,257.02 = 84,389.61/x
  3. Step 3: Cross multiply
    96,212.10x = 144,257.02 × 84,389.61
  4. Step 4: Simplify right side
    96,212.10x = 12,173,793,446.59
  5. Step 5: Solve for x
    x = 12,173,793,446.59/96,212.10
  6. Step 6: Final answer
    x = 126,530.79

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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.