Home / 126,363.72-189,386.38-110,531.08

Finding the Fourth Proportional to 126,363.72, 189,386.38 and 110,531.08

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Solution

The fourth proportional to 126,363.72, 189,386.38 and 110,531.08 is: 165,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,363.72 : 189,386.38 = 110,531.08 : x
  2. Step 2: Convert to fraction form
    126,363.72/189,386.38 = 110,531.08/x
  3. Step 3: Cross multiply
    126,363.72x = 189,386.38 × 110,531.08
  4. Step 4: Simplify right side
    126,363.72x = 20,933,081,118.69
  5. Step 5: Solve for x
    x = 20,933,081,118.69/126,363.72
  6. Step 6: Final answer
    x = 165,657.37

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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.