Home / 126,209.88-189,347.76-47,325.60

Finding the Fourth Proportional to 126,209.88, 189,347.76 and 47,325.60

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Solution

The fourth proportional to 126,209.88, 189,347.76 and 47,325.60 is: 71,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,209.88 : 189,347.76 = 47,325.60 : x
  2. Step 2: Convert to fraction form
    126,209.88/189,347.76 = 47,325.60/x
  3. Step 3: Cross multiply
    126,209.88x = 189,347.76 × 47,325.60
  4. Step 4: Simplify right side
    126,209.88x = 8,960,996,350.66
  5. Step 5: Solve for x
    x = 8,960,996,350.66/126,209.88
  6. Step 6: Final answer
    x = 71,000.75

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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.