Home / 462,099.20-693,148.80-129,675.20

Finding the Fourth Proportional to 462,099.20, 693,148.80 and 129,675.20

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Solution

The fourth proportional to 462,099.20, 693,148.80 and 129,675.20 is: 194,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,099.20 : 693,148.80 = 129,675.20 : x
  2. Step 2: Convert to fraction form
    462,099.20/693,148.80 = 129,675.20/x
  3. Step 3: Cross multiply
    462,099.20x = 693,148.80 × 129,675.20
  4. Step 4: Simplify right side
    462,099.20x = 89,884,209,269.76
  5. Step 5: Solve for x
    x = 89,884,209,269.76/462,099.20
  6. Step 6: Final answer
    x = 194,512.80

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Similar ratio
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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.