Home / 112,253.76-154,910.40-61,952.72

Finding the Fourth Proportional to 112,253.76, 154,910.40 and 61,952.72

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Solution

The fourth proportional to 112,253.76, 154,910.40 and 61,952.72 is: 85,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,253.76 : 154,910.40 = 61,952.72 : x
  2. Step 2: Convert to fraction form
    112,253.76/154,910.40 = 61,952.72/x
  3. Step 3: Cross multiply
    112,253.76x = 154,910.40 × 61,952.72
  4. Step 4: Simplify right side
    112,253.76x = 9,597,120,636.29
  5. Step 5: Solve for x
    x = 9,597,120,636.29/112,253.76
  6. Step 6: Final answer
    x = 85,494.87

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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.