Home / 126,301.87-189,352.17-72,933.26

Finding the Fourth Proportional to 126,301.87, 189,352.17 and 72,933.26

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Solution

The fourth proportional to 126,301.87, 189,352.17 and 72,933.26 is: 109,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.87 : 189,352.17 = 72,933.26 : x
  2. Step 2: Convert to fraction form
    126,301.87/189,352.17 = 72,933.26/x
  3. Step 3: Cross multiply
    126,301.87x = 189,352.17 × 72,933.26
  4. Step 4: Simplify right side
    126,301.87x = 13,810,071,061.96
  5. Step 5: Solve for x
    x = 13,810,071,061.96/126,301.87
  6. Step 6: Final answer
    x = 109,341.78

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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.