Home / 84,249.90-126,003.06-74,955.15

Finding the Fourth Proportional to 84,249.90, 126,003.06 and 74,955.15

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Solution

The fourth proportional to 84,249.90, 126,003.06 and 74,955.15 is: 112,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249.90 : 126,003.06 = 74,955.15 : x
  2. Step 2: Convert to fraction form
    84,249.90/126,003.06 = 74,955.15/x
  3. Step 3: Cross multiply
    84,249.90x = 126,003.06 × 74,955.15
  4. Step 4: Simplify right side
    84,249.90x = 9,444,578,262.76
  5. Step 5: Solve for x
    x = 9,444,578,262.76/84,249.90
  6. Step 6: Final answer
    x = 112,101.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.