Home / 153,309.38-229,966.13-48,128.36

Finding the Fourth Proportional to 153,309.38, 229,966.13 and 48,128.36

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Solution

The fourth proportional to 153,309.38, 229,966.13 and 48,128.36 is: 72,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,309.38 : 229,966.13 = 48,128.36 : x
  2. Step 2: Convert to fraction form
    153,309.38/229,966.13 = 48,128.36/x
  3. Step 3: Cross multiply
    153,309.38x = 229,966.13 × 48,128.36
  4. Step 4: Simplify right side
    153,309.38x = 11,067,891,662.94
  5. Step 5: Solve for x
    x = 11,067,891,662.94/153,309.38
  6. Step 6: Final answer
    x = 72,193.18

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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.