Home / 109,236.20-163,854.30-74,244.20

Finding the Fourth Proportional to 109,236.20, 163,854.30 and 74,244.20

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Solution

The fourth proportional to 109,236.20, 163,854.30 and 74,244.20 is: 111,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,236.20 : 163,854.30 = 74,244.20 : x
  2. Step 2: Convert to fraction form
    109,236.20/163,854.30 = 74,244.20/x
  3. Step 3: Cross multiply
    109,236.20x = 163,854.30 × 74,244.20
  4. Step 4: Simplify right side
    109,236.20x = 12,165,231,420.06
  5. Step 5: Solve for x
    x = 12,165,231,420.06/109,236.20
  6. Step 6: Final answer
    x = 111,366.30

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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.