Home / 175,084.80-262,627.20-86,511.30

Finding the Fourth Proportional to 175,084.80, 262,627.20 and 86,511.30

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Solution

The fourth proportional to 175,084.80, 262,627.20 and 86,511.30 is: 129,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,084.80 : 262,627.20 = 86,511.30 : x
  2. Step 2: Convert to fraction form
    175,084.80/262,627.20 = 86,511.30/x
  3. Step 3: Cross multiply
    175,084.80x = 262,627.20 × 86,511.30
  4. Step 4: Simplify right side
    175,084.80x = 22,720,220,487.36
  5. Step 5: Solve for x
    x = 22,720,220,487.36/175,084.80
  6. Step 6: Final answer
    x = 129,766.95

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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.