Home / 126,301.68-174,290.40-72,548.88

Finding the Fourth Proportional to 126,301.68, 174,290.40 and 72,548.88

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Solution

The fourth proportional to 126,301.68, 174,290.40 and 72,548.88 is: 100,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.68 : 174,290.40 = 72,548.88 : x
  2. Step 2: Convert to fraction form
    126,301.68/174,290.40 = 72,548.88/x
  3. Step 3: Cross multiply
    126,301.68x = 174,290.40 × 72,548.88
  4. Step 4: Simplify right side
    126,301.68x = 12,644,573,314.75
  5. Step 5: Solve for x
    x = 12,644,573,314.75/126,301.68
  6. Step 6: Final answer
    x = 100,114.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.