Home / 153,044.91-211,243.68-99,326.79

Finding the Fourth Proportional to 153,044.91, 211,243.68 and 99,326.79

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Solution

The fourth proportional to 153,044.91, 211,243.68 and 99,326.79 is: 137,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,044.91 : 211,243.68 = 99,326.79 : x
  2. Step 2: Convert to fraction form
    153,044.91/211,243.68 = 99,326.79/x
  3. Step 3: Cross multiply
    153,044.91x = 211,243.68 × 99,326.79
  4. Step 4: Simplify right side
    153,044.91x = 20,982,156,642.19
  5. Step 5: Solve for x
    x = 20,982,156,642.19/153,044.91
  6. Step 6: Final answer
    x = 137,098.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.