Home / 148,194.51-204,508.40-80,211.47

Finding the Fourth Proportional to 148,194.51, 204,508.40 and 80,211.47

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Solution

The fourth proportional to 148,194.51, 204,508.40 and 80,211.47 is: 110,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,194.51 : 204,508.40 = 80,211.47 : x
  2. Step 2: Convert to fraction form
    148,194.51/204,508.40 = 80,211.47/x
  3. Step 3: Cross multiply
    148,194.51x = 204,508.40 × 80,211.47
  4. Step 4: Simplify right side
    148,194.51x = 16,403,919,391.35
  5. Step 5: Solve for x
    x = 16,403,919,391.35/148,194.51
  6. Step 6: Final answer
    x = 110,691.82

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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.