Home / 119,785.20-179,645.40-35,545.20

Finding the Fourth Proportional to 119,785.20, 179,645.40 and 35,545.20

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Solution

The fourth proportional to 119,785.20, 179,645.40 and 35,545.20 is: 53,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,785.20 : 179,645.40 = 35,545.20 : x
  2. Step 2: Convert to fraction form
    119,785.20/179,645.40 = 35,545.20/x
  3. Step 3: Cross multiply
    119,785.20x = 179,645.40 × 35,545.20
  4. Step 4: Simplify right side
    119,785.20x = 6,385,531,672.08
  5. Step 5: Solve for x
    x = 6,385,531,672.08/119,785.20
  6. Step 6: Final answer
    x = 53,308.19

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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.