Home / 253,545.18-379,765.10-126,964.66

Finding the Fourth Proportional to 253,545.18, 379,765.10 and 126,964.66

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Solution

The fourth proportional to 253,545.18, 379,765.10 and 126,964.66 is: 190,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,545.18 : 379,765.10 = 126,964.66 : x
  2. Step 2: Convert to fraction form
    253,545.18/379,765.10 = 126,964.66/x
  3. Step 3: Cross multiply
    253,545.18x = 379,765.10 × 126,964.66
  4. Step 4: Simplify right side
    253,545.18x = 48,216,746,801.37
  5. Step 5: Solve for x
    x = 48,216,746,801.37/253,545.18
  6. Step 6: Final answer
    x = 190,170.24

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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.