Home / 101,481.12-139,996.32-67,506.24

Finding the Fourth Proportional to 101,481.12, 139,996.32 and 67,506.24

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Solution

The fourth proportional to 101,481.12, 139,996.32 and 67,506.24 is: 93,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,481.12 : 139,996.32 = 67,506.24 : x
  2. Step 2: Convert to fraction form
    101,481.12/139,996.32 = 67,506.24/x
  3. Step 3: Cross multiply
    101,481.12x = 139,996.32 × 67,506.24
  4. Step 4: Simplify right side
    101,481.12x = 9,450,625,177.04
  5. Step 5: Solve for x
    x = 9,450,625,177.04/101,481.12
  6. Step 6: Final answer
    x = 93,126.93

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1.5x scale

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.