Home / 119,780.84-179,375.94-75,297.26

Finding the Fourth Proportional to 119,780.84, 179,375.94 and 75,297.26

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Solution

The fourth proportional to 119,780.84, 179,375.94 and 75,297.26 is: 112,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,780.84 : 179,375.94 = 75,297.26 : x
  2. Step 2: Convert to fraction form
    119,780.84/179,375.94 = 75,297.26/x
  3. Step 3: Cross multiply
    119,780.84x = 179,375.94 × 75,297.26
  4. Step 4: Simplify right side
    119,780.84x = 13,506,516,791.92
  5. Step 5: Solve for x
    x = 13,506,516,791.92/119,780.84
  6. Step 6: Final answer
    x = 112,760.24

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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.