Home / 142,760.10-214,042.95-54,000.30

Finding the Fourth Proportional to 142,760.10, 214,042.95 and 54,000.30

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Solution

The fourth proportional to 142,760.10, 214,042.95 and 54,000.30 is: 80,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,760.10 : 214,042.95 = 54,000.30 : x
  2. Step 2: Convert to fraction form
    142,760.10/214,042.95 = 54,000.30/x
  3. Step 3: Cross multiply
    142,760.10x = 214,042.95 × 54,000.30
  4. Step 4: Simplify right side
    142,760.10x = 11,558,383,512.89
  5. Step 5: Solve for x
    x = 11,558,383,512.89/142,760.10
  6. Step 6: Final answer
    x = 80,963.68

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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.