Home / 109,040.20-163,560.30-98,672.20

Finding the Fourth Proportional to 109,040.20, 163,560.30 and 98,672.20

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Solution

The fourth proportional to 109,040.20, 163,560.30 and 98,672.20 is: 148,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.20 : 163,560.30 = 98,672.20 : x
  2. Step 2: Convert to fraction form
    109,040.20/163,560.30 = 98,672.20/x
  3. Step 3: Cross multiply
    109,040.20x = 163,560.30 × 98,672.20
  4. Step 4: Simplify right side
    109,040.20x = 16,138,854,633.66
  5. Step 5: Solve for x
    x = 16,138,854,633.66/109,040.20
  6. Step 6: Final answer
    x = 148,008.30

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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.