Home / 107,934.20-161,901.30-96,561.80

Finding the Fourth Proportional to 107,934.20, 161,901.30 and 96,561.80

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Solution

The fourth proportional to 107,934.20, 161,901.30 and 96,561.80 is: 144,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,934.20 : 161,901.30 = 96,561.80 : x
  2. Step 2: Convert to fraction form
    107,934.20/161,901.30 = 96,561.80/x
  3. Step 3: Cross multiply
    107,934.20x = 161,901.30 × 96,561.80
  4. Step 4: Simplify right side
    107,934.20x = 15,633,480,950.34
  5. Step 5: Solve for x
    x = 15,633,480,950.34/107,934.20
  6. Step 6: Final answer
    x = 144,842.70

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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.