Home / 89,849.80-134,191.13-84,484.36

Finding the Fourth Proportional to 89,849.80, 134,191.13 and 84,484.36

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Solution

The fourth proportional to 89,849.80, 134,191.13 and 84,484.36 is: 126,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849.80 : 134,191.13 = 84,484.36 : x
  2. Step 2: Convert to fraction form
    89,849.80/134,191.13 = 84,484.36/x
  3. Step 3: Cross multiply
    89,849.80x = 134,191.13 × 84,484.36
  4. Step 4: Simplify right side
    89,849.80x = 11,337,051,735.73
  5. Step 5: Solve for x
    x = 11,337,051,735.73/89,849.80
  6. Step 6: Final answer
    x = 126,177.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.