Home / 119,864.74-179,826.39-39,902.56

Finding the Fourth Proportional to 119,864.74, 179,826.39 and 39,902.56

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Solution

The fourth proportional to 119,864.74, 179,826.39 and 39,902.56 is: 59,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.74 : 179,826.39 = 39,902.56 : x
  2. Step 2: Convert to fraction form
    119,864.74/179,826.39 = 39,902.56/x
  3. Step 3: Cross multiply
    119,864.74x = 179,826.39 × 39,902.56
  4. Step 4: Simplify right side
    119,864.74x = 7,175,532,217.91
  5. Step 5: Solve for x
    x = 7,175,532,217.91/119,864.74
  6. Step 6: Final answer
    x = 59,863.58

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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.