Home / 119,377.20-179,437.68-75,287.28

Finding the Fourth Proportional to 119,377.20, 179,437.68 and 75,287.28

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Solution

The fourth proportional to 119,377.20, 179,437.68 and 75,287.28 is: 113,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,377.20 : 179,437.68 = 75,287.28 : x
  2. Step 2: Convert to fraction form
    119,377.20/179,437.68 = 75,287.28/x
  3. Step 3: Cross multiply
    119,377.20x = 179,437.68 × 75,287.28
  4. Step 4: Simplify right side
    119,377.20x = 13,509,374,856.71
  5. Step 5: Solve for x
    x = 13,509,374,856.71/119,377.20
  6. Step 6: Final answer
    x = 113,165.45

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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.