Home / 113,701.92-156,878.28-109,217.76

Finding the Fourth Proportional to 113,701.92, 156,878.28 and 109,217.76

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Solution

The fourth proportional to 113,701.92, 156,878.28 and 109,217.76 is: 150,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,701.92 : 156,878.28 = 109,217.76 : x
  2. Step 2: Convert to fraction form
    113,701.92/156,878.28 = 109,217.76/x
  3. Step 3: Cross multiply
    113,701.92x = 156,878.28 × 109,217.76
  4. Step 4: Simplify right side
    113,701.92x = 17,133,894,334.25
  5. Step 5: Solve for x
    x = 17,133,894,334.25/113,701.92
  6. Step 6: Final answer
    x = 150,691.34

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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.