Home / 98,881.28-136,418.52-73,101.73

Finding the Fourth Proportional to 98,881.28, 136,418.52 and 73,101.73

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Solution

The fourth proportional to 98,881.28, 136,418.52 and 73,101.73 is: 100,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,881.28 : 136,418.52 = 73,101.73 : x
  2. Step 2: Convert to fraction form
    98,881.28/136,418.52 = 73,101.73/x
  3. Step 3: Cross multiply
    98,881.28x = 136,418.52 × 73,101.73
  4. Step 4: Simplify right side
    98,881.28x = 9,972,429,450.53
  5. Step 5: Solve for x
    x = 9,972,429,450.53/98,881.28
  6. Step 6: Final answer
    x = 100,852.55

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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.