Home / 126,481.76-189,703.50-47,577.63

Finding the Fourth Proportional to 126,481.76, 189,703.50 and 47,577.63

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Solution

The fourth proportional to 126,481.76, 189,703.50 and 47,577.63 is: 71,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,481.76 : 189,703.50 = 47,577.63 : x
  2. Step 2: Convert to fraction form
    126,481.76/189,703.50 = 47,577.63/x
  3. Step 3: Cross multiply
    126,481.76x = 189,703.50 × 47,577.63
  4. Step 4: Simplify right side
    126,481.76x = 9,025,642,932.71
  5. Step 5: Solve for x
    x = 9,025,642,932.71/126,481.76
  6. Step 6: Final answer
    x = 71,359.25

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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.