Home / 126,564.60-189,849.15-37,819.20

Finding the Fourth Proportional to 126,564.60, 189,849.15 and 37,819.20

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Solution

The fourth proportional to 126,564.60, 189,849.15 and 37,819.20 is: 56,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,564.60 : 189,849.15 = 37,819.20 : x
  2. Step 2: Convert to fraction form
    126,564.60/189,849.15 = 37,819.20/x
  3. Step 3: Cross multiply
    126,564.60x = 189,849.15 × 37,819.20
  4. Step 4: Simplify right side
    126,564.60x = 7,179,942,973.68
  5. Step 5: Solve for x
    x = 7,179,942,973.68/126,564.60
  6. Step 6: Final answer
    x = 56,729.47

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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.