Home / 254,445.20-381,667.80-96,665.30

Finding the Fourth Proportional to 254,445.20, 381,667.80 and 96,665.30

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Solution

The fourth proportional to 254,445.20, 381,667.80 and 96,665.30 is: 144,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,445.20 : 381,667.80 = 96,665.30 : x
  2. Step 2: Convert to fraction form
    254,445.20/381,667.80 = 96,665.30/x
  3. Step 3: Cross multiply
    254,445.20x = 381,667.80 × 96,665.30
  4. Step 4: Simplify right side
    254,445.20x = 36,894,032,387.34
  5. Step 5: Solve for x
    x = 36,894,032,387.34/254,445.20
  6. Step 6: Final answer
    x = 144,997.95

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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.