Home / 142,760.60-214,043.70-54,000.80

Finding the Fourth Proportional to 142,760.60, 214,043.70 and 54,000.80

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Solution

The fourth proportional to 142,760.60, 214,043.70 and 54,000.80 is: 80,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,760.60 : 214,043.70 = 54,000.80 : x
  2. Step 2: Convert to fraction form
    142,760.60/214,043.70 = 54,000.80/x
  3. Step 3: Cross multiply
    142,760.60x = 214,043.70 × 54,000.80
  4. Step 4: Simplify right side
    142,760.60x = 11,558,531,034.96
  5. Step 5: Solve for x
    x = 11,558,531,034.96/142,760.60
  6. Step 6: Final answer
    x = 80,964.43

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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.