Home / 84,184.92-126,299.27-42,063.30

Finding the Fourth Proportional to 84,184.92, 126,299.27 and 42,063.30

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Solution

The fourth proportional to 84,184.92, 126,299.27 and 42,063.30 is: 63,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,184.92 : 126,299.27 = 42,063.30 : x
  2. Step 2: Convert to fraction form
    84,184.92/126,299.27 = 42,063.30/x
  3. Step 3: Cross multiply
    84,184.92x = 126,299.27 × 42,063.30
  4. Step 4: Simplify right side
    84,184.92x = 5,312,564,188.95
  5. Step 5: Solve for x
    x = 5,312,564,188.95/84,184.92
  6. Step 6: Final answer
    x = 63,105.89

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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.