Home / 132,279.09-198,451.60-38,784.84

Finding the Fourth Proportional to 132,279.09, 198,451.60 and 38,784.84

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Solution

The fourth proportional to 132,279.09, 198,451.60 and 38,784.84 is: 58,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279.09 : 198,451.60 = 38,784.84 : x
  2. Step 2: Convert to fraction form
    132,279.09/198,451.60 = 38,784.84/x
  3. Step 3: Cross multiply
    132,279.09x = 198,451.60 × 38,784.84
  4. Step 4: Simplify right side
    132,279.09x = 7,696,913,633.21
  5. Step 5: Solve for x
    x = 7,696,913,633.21/132,279.09
  6. Step 6: Final answer
    x = 58,186.93

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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.