Home / 129,575.30-194,390.22-73,442.30

Finding the Fourth Proportional to 129,575.30, 194,390.22 and 73,442.30

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Solution

The fourth proportional to 129,575.30, 194,390.22 and 73,442.30 is: 110,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,575.30 : 194,390.22 = 73,442.30 : x
  2. Step 2: Convert to fraction form
    129,575.30/194,390.22 = 73,442.30/x
  3. Step 3: Cross multiply
    129,575.30x = 194,390.22 × 73,442.30
  4. Step 4: Simplify right side
    129,575.30x = 14,276,464,854.31
  5. Step 5: Solve for x
    x = 14,276,464,854.31/129,575.30
  6. Step 6: Final answer
    x = 110,178.91

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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.