Home / 126,255.92-189,401.88-41,988.32

Finding the Fourth Proportional to 126,255.92, 189,401.88 and 41,988.32

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Solution

The fourth proportional to 126,255.92, 189,401.88 and 41,988.32 is: 62,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,255.92 : 189,401.88 = 41,988.32 : x
  2. Step 2: Convert to fraction form
    126,255.92/189,401.88 = 41,988.32/x
  3. Step 3: Cross multiply
    126,255.92x = 189,401.88 × 41,988.32
  4. Step 4: Simplify right side
    126,255.92x = 7,952,666,746.04
  5. Step 5: Solve for x
    x = 7,952,666,746.04/126,255.92
  6. Step 6: Final answer
    x = 62,988.47

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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.