Home / 120,442.80-180,591.24-53,870.52

Finding the Fourth Proportional to 120,442.80, 180,591.24 and 53,870.52

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Solution

The fourth proportional to 120,442.80, 180,591.24 and 53,870.52 is: 80,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,442.80 : 180,591.24 = 53,870.52 : x
  2. Step 2: Convert to fraction form
    120,442.80/180,591.24 = 53,870.52/x
  3. Step 3: Cross multiply
    120,442.80x = 180,591.24 × 53,870.52
  4. Step 4: Simplify right side
    120,442.80x = 9,728,544,006.24
  5. Step 5: Solve for x
    x = 9,728,544,006.24/120,442.80
  6. Step 6: Final answer
    x = 80,773.15

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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.