Home / 452,553.30-678,829.95-137,025.90

Finding the Fourth Proportional to 452,553.30, 678,829.95 and 137,025.90

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Solution

The fourth proportional to 452,553.30, 678,829.95 and 137,025.90 is: 205,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,553.30 : 678,829.95 = 137,025.90 : x
  2. Step 2: Convert to fraction form
    452,553.30/678,829.95 = 137,025.90/x
  3. Step 3: Cross multiply
    452,553.30x = 678,829.95 × 137,025.90
  4. Step 4: Simplify right side
    452,553.30x = 93,017,284,845.71
  5. Step 5: Solve for x
    x = 93,017,284,845.71/452,553.30
  6. Step 6: Final answer
    x = 205,538.85

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Similar ratio
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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.