Home / 254,116.26-381,077.18-85,591.24

Finding the Fourth Proportional to 254,116.26, 381,077.18 and 85,591.24

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Solution

The fourth proportional to 254,116.26, 381,077.18 and 85,591.24 is: 128,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,116.26 : 381,077.18 = 85,591.24 : x
  2. Step 2: Convert to fraction form
    254,116.26/381,077.18 = 85,591.24/x
  3. Step 3: Cross multiply
    254,116.26x = 381,077.18 × 85,591.24
  4. Step 4: Simplify right side
    254,116.26x = 32,616,868,371.90
  5. Step 5: Solve for x
    x = 32,616,868,371.90/254,116.26
  6. Step 6: Final answer
    x = 128,354.12

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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.