Home / 126,253.92-189,398.88-41,986.32

Finding the Fourth Proportional to 126,253.92, 189,398.88 and 41,986.32

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Solution

The fourth proportional to 126,253.92, 189,398.88 and 41,986.32 is: 62,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253.92 : 189,398.88 = 41,986.32 : x
  2. Step 2: Convert to fraction form
    126,253.92/189,398.88 = 41,986.32/x
  3. Step 3: Cross multiply
    126,253.92x = 189,398.88 × 41,986.32
  4. Step 4: Simplify right side
    126,253.92x = 7,952,161,983.32
  5. Step 5: Solve for x
    x = 7,952,161,983.32/126,253.92
  6. Step 6: Final answer
    x = 62,985.47

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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.