Home / 110,517.32-152,393.18-74,645.06

Finding the Fourth Proportional to 110,517.32, 152,393.18 and 74,645.06

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Solution

The fourth proportional to 110,517.32, 152,393.18 and 74,645.06 is: 102,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,517.32 : 152,393.18 = 74,645.06 : x
  2. Step 2: Convert to fraction form
    110,517.32/152,393.18 = 74,645.06/x
  3. Step 3: Cross multiply
    110,517.32x = 152,393.18 × 74,645.06
  4. Step 4: Simplify right side
    110,517.32x = 11,375,396,929.50
  5. Step 5: Solve for x
    x = 11,375,396,929.50/110,517.32
  6. Step 6: Final answer
    x = 102,928.63

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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.