Home / 113,570.10-170,355.15-54,375.30

Finding the Fourth Proportional to 113,570.10, 170,355.15 and 54,375.30

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Solution

The fourth proportional to 113,570.10, 170,355.15 and 54,375.30 is: 81,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,570.10 : 170,355.15 = 54,375.30 : x
  2. Step 2: Convert to fraction form
    113,570.10/170,355.15 = 54,375.30/x
  3. Step 3: Cross multiply
    113,570.10x = 170,355.15 × 54,375.30
  4. Step 4: Simplify right side
    113,570.10x = 9,263,112,387.80
  5. Step 5: Solve for x
    x = 9,263,112,387.80/113,570.10
  6. Step 6: Final answer
    x = 81,562.95

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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.