Home / 151,271.25-208,818.92-107,691.93

Finding the Fourth Proportional to 151,271.25, 208,818.92 and 107,691.93

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Solution

The fourth proportional to 151,271.25, 208,818.92 and 107,691.93 is: 148,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,271.25 : 208,818.92 = 107,691.93 : x
  2. Step 2: Convert to fraction form
    151,271.25/208,818.92 = 107,691.93/x
  3. Step 3: Cross multiply
    151,271.25x = 208,818.92 × 107,691.93
  4. Step 4: Simplify right side
    151,271.25x = 22,488,112,784.55
  5. Step 5: Solve for x
    x = 22,488,112,784.55/151,271.25
  6. Step 6: Final answer
    x = 148,660.85

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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.