Home / 112,789.18-169,182.16-28,548.73

Finding the Fourth Proportional to 112,789.18, 169,182.16 and 28,548.73

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Solution

The fourth proportional to 112,789.18, 169,182.16 and 28,548.73 is: 42,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,789.18 : 169,182.16 = 28,548.73 : x
  2. Step 2: Convert to fraction form
    112,789.18/169,182.16 = 28,548.73/x
  3. Step 3: Cross multiply
    112,789.18x = 169,182.16 × 28,548.73
  4. Step 4: Simplify right side
    112,789.18x = 4,829,935,806.66
  5. Step 5: Solve for x
    x = 4,829,935,806.66/112,789.18
  6. Step 6: Final answer
    x = 42,822.69

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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.