Home / 80,904.14-121,196.01-38,151.03

Finding the Fourth Proportional to 80,904.14, 121,196.01 and 38,151.03

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Solution

The fourth proportional to 80,904.14, 121,196.01 and 38,151.03 is: 57,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,904.14 : 121,196.01 = 38,151.03 : x
  2. Step 2: Convert to fraction form
    80,904.14/121,196.01 = 38,151.03/x
  3. Step 3: Cross multiply
    80,904.14x = 121,196.01 × 38,151.03
  4. Step 4: Simplify right side
    80,904.14x = 4,623,752,613.39
  5. Step 5: Solve for x
    x = 4,623,752,613.39/80,904.14
  6. Step 6: Final answer
    x = 57,151.00

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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.