Home / 113,336.47-156,399.39-62,345.97

Finding the Fourth Proportional to 113,336.47, 156,399.39 and 62,345.97

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Solution

The fourth proportional to 113,336.47, 156,399.39 and 62,345.97 is: 86,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,336.47 : 156,399.39 = 62,345.97 : x
  2. Step 2: Convert to fraction form
    113,336.47/156,399.39 = 62,345.97/x
  3. Step 3: Cross multiply
    113,336.47x = 156,399.39 × 62,345.97
  4. Step 4: Simplify right side
    113,336.47x = 9,750,870,894.96
  5. Step 5: Solve for x
    x = 9,750,870,894.96/113,336.47
  6. Step 6: Final answer
    x = 86,034.71

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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.