Home / 126,352.99-189,574.61-54,275.62

Finding the Fourth Proportional to 126,352.99, 189,574.61 and 54,275.62

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Solution

The fourth proportional to 126,352.99, 189,574.61 and 54,275.62 is: 81,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,352.99 : 189,574.61 = 54,275.62 : x
  2. Step 2: Convert to fraction form
    126,352.99/189,574.61 = 54,275.62/x
  3. Step 3: Cross multiply
    126,352.99x = 189,574.61 × 54,275.62
  4. Step 4: Simplify right side
    126,352.99x = 10,289,279,494.01
  5. Step 5: Solve for x
    x = 10,289,279,494.01/126,352.99
  6. Step 6: Final answer
    x = 81,432.81

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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.