Home / 254,312.20-381,520.88-83,546.85

Finding the Fourth Proportional to 254,312.20, 381,520.88 and 83,546.85

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Solution

The fourth proportional to 254,312.20, 381,520.88 and 83,546.85 is: 125,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,312.20 : 381,520.88 = 83,546.85 : x
  2. Step 2: Convert to fraction form
    254,312.20/381,520.88 = 83,546.85/x
  3. Step 3: Cross multiply
    254,312.20x = 381,520.88 × 83,546.85
  4. Step 4: Simplify right side
    254,312.20x = 31,874,867,315.49
  5. Step 5: Solve for x
    x = 31,874,867,315.49/254,312.20
  6. Step 6: Final answer
    x = 125,337.55

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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.