Home / 254,439.20-381,658.80-96,659.30

Finding the Fourth Proportional to 254,439.20, 381,658.80 and 96,659.30

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Solution

The fourth proportional to 254,439.20, 381,658.80 and 96,659.30 is: 144,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,439.20 : 381,658.80 = 96,659.30 : x
  2. Step 2: Convert to fraction form
    254,439.20/381,658.80 = 96,659.30/x
  3. Step 3: Cross multiply
    254,439.20x = 381,658.80 × 96,659.30
  4. Step 4: Simplify right side
    254,439.20x = 36,890,872,446.84
  5. Step 5: Solve for x
    x = 36,890,872,446.84/254,439.20
  6. Step 6: Final answer
    x = 144,988.95

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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.