Home / 126,581.17-189,965.21-60,021.53

Finding the Fourth Proportional to 126,581.17, 189,965.21 and 60,021.53

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Solution

The fourth proportional to 126,581.17, 189,965.21 and 60,021.53 is: 90,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,581.17 : 189,965.21 = 60,021.53 : x
  2. Step 2: Convert to fraction form
    126,581.17/189,965.21 = 60,021.53/x
  3. Step 3: Cross multiply
    126,581.17x = 189,965.21 × 60,021.53
  4. Step 4: Simplify right side
    126,581.17x = 11,402,002,969.71
  5. Step 5: Solve for x
    x = 11,402,002,969.71/126,581.17
  6. Step 6: Final answer
    x = 90,076.61

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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.