Home / 107,014.32-147,747.60-68,791.68

Finding the Fourth Proportional to 107,014.32, 147,747.60 and 68,791.68

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Solution

The fourth proportional to 107,014.32, 147,747.60 and 68,791.68 is: 94,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,014.32 : 147,747.60 = 68,791.68 : x
  2. Step 2: Convert to fraction form
    107,014.32/147,747.60 = 68,791.68/x
  3. Step 3: Cross multiply
    107,014.32x = 147,747.60 × 68,791.68
  4. Step 4: Simplify right side
    107,014.32x = 10,163,805,619.97
  5. Step 5: Solve for x
    x = 10,163,805,619.97/107,014.32
  6. Step 6: Final answer
    x = 94,976.13

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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.