Home / 179,492.40-268,720.20-109,508.40

Finding the Fourth Proportional to 179,492.40, 268,720.20 and 109,508.40

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Solution

The fourth proportional to 179,492.40, 268,720.20 and 109,508.40 is: 163,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,492.40 : 268,720.20 = 109,508.40 : x
  2. Step 2: Convert to fraction form
    179,492.40/268,720.20 = 109,508.40/x
  3. Step 3: Cross multiply
    179,492.40x = 268,720.20 × 109,508.40
  4. Step 4: Simplify right side
    179,492.40x = 29,427,119,149.68
  5. Step 5: Solve for x
    x = 29,427,119,149.68/179,492.40
  6. Step 6: Final answer
    x = 163,946.32

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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.