Home / 146,864.14-220,293.11-79,428.33

Finding the Fourth Proportional to 146,864.14, 220,293.11 and 79,428.33

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Solution

The fourth proportional to 146,864.14, 220,293.11 and 79,428.33 is: 119,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,864.14 : 220,293.11 = 79,428.33 : x
  2. Step 2: Convert to fraction form
    146,864.14/220,293.11 = 79,428.33/x
  3. Step 3: Cross multiply
    146,864.14x = 220,293.11 × 79,428.33
  4. Step 4: Simplify right side
    146,864.14x = 17,497,514,036.38
  5. Step 5: Solve for x
    x = 17,497,514,036.38/146,864.14
  6. Step 6: Final answer
    x = 119,140.82

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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.