Home / 126,600.60-189,782.10-47,767.80

Finding the Fourth Proportional to 126,600.60, 189,782.10 and 47,767.80

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Solution

The fourth proportional to 126,600.60, 189,782.10 and 47,767.80 is: 71,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,600.60 : 189,782.10 = 47,767.80 : x
  2. Step 2: Convert to fraction form
    126,600.60/189,782.10 = 47,767.80/x
  3. Step 3: Cross multiply
    126,600.60x = 189,782.10 × 47,767.80
  4. Step 4: Simplify right side
    126,600.60x = 9,065,473,396.38
  5. Step 5: Solve for x
    x = 9,065,473,396.38/126,600.60
  6. Step 6: Final answer
    x = 71,606.88

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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.