Home / 101,326.19-139,757.62-71,118.25

Finding the Fourth Proportional to 101,326.19, 139,757.62 and 71,118.25

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Solution

The fourth proportional to 101,326.19, 139,757.62 and 71,118.25 is: 98,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,326.19 : 139,757.62 = 71,118.25 : x
  2. Step 2: Convert to fraction form
    101,326.19/139,757.62 = 71,118.25/x
  3. Step 3: Cross multiply
    101,326.19x = 139,757.62 × 71,118.25
  4. Step 4: Simplify right side
    101,326.19x = 9,939,317,358.57
  5. Step 5: Solve for x
    x = 9,939,317,358.57/101,326.19
  6. Step 6: Final answer
    x = 98,092.28

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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.