Home / 96,389.65-132,924.40-75,161.17

Finding the Fourth Proportional to 96,389.65, 132,924.40 and 75,161.17

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Solution

The fourth proportional to 96,389.65, 132,924.40 and 75,161.17 is: 103,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,389.65 : 132,924.40 = 75,161.17 : x
  2. Step 2: Convert to fraction form
    96,389.65/132,924.40 = 75,161.17/x
  3. Step 3: Cross multiply
    96,389.65x = 132,924.40 × 75,161.17
  4. Step 4: Simplify right side
    96,389.65x = 9,990,753,425.55
  5. Step 5: Solve for x
    x = 9,990,753,425.55/96,389.65
  6. Step 6: Final answer
    x = 103,649.65

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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.