Home / 105,713.57-158,569.45-26,826.66

Finding the Fourth Proportional to 105,713.57, 158,569.45 and 26,826.66

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Solution

The fourth proportional to 105,713.57, 158,569.45 and 26,826.66 is: 40,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,713.57 : 158,569.45 = 26,826.66 : x
  2. Step 2: Convert to fraction form
    105,713.57/158,569.45 = 26,826.66/x
  3. Step 3: Cross multiply
    105,713.57x = 158,569.45 × 26,826.66
  4. Step 4: Simplify right side
    105,713.57x = 4,253,888,654.47
  5. Step 5: Solve for x
    x = 4,253,888,654.47/105,713.57
  6. Step 6: Final answer
    x = 40,239.76

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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.