Home / 151,046.42-226,569.61-71,920.76

Finding the Fourth Proportional to 151,046.42, 226,569.61 and 71,920.76

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Solution

The fourth proportional to 151,046.42, 226,569.61 and 71,920.76 is: 107,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,046.42 : 226,569.61 = 71,920.76 : x
  2. Step 2: Convert to fraction form
    151,046.42/226,569.61 = 71,920.76/x
  3. Step 3: Cross multiply
    151,046.42x = 226,569.61 × 71,920.76
  4. Step 4: Simplify right side
    151,046.42x = 16,295,057,051.65
  5. Step 5: Solve for x
    x = 16,295,057,051.65/151,046.42
  6. Step 6: Final answer
    x = 107,881.12

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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.