Home / 146,668.52-220,002.78-76,531.43

Finding the Fourth Proportional to 146,668.52, 220,002.78 and 76,531.43

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Solution

The fourth proportional to 146,668.52, 220,002.78 and 76,531.43 is: 114,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,668.52 : 220,002.78 = 76,531.43 : x
  2. Step 2: Convert to fraction form
    146,668.52/220,002.78 = 76,531.43/x
  3. Step 3: Cross multiply
    146,668.52x = 220,002.78 × 76,531.43
  4. Step 4: Simplify right side
    146,668.52x = 16,837,127,357.38
  5. Step 5: Solve for x
    x = 16,837,127,357.38/146,668.52
  6. Step 6: Final answer
    x = 114,797.15

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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.