Home / 163,045.86-225,003.32-91,425.92

Finding the Fourth Proportional to 163,045.86, 225,003.32 and 91,425.92

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Solution

The fourth proportional to 163,045.86, 225,003.32 and 91,425.92 is: 126,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,045.86 : 225,003.32 = 91,425.92 : x
  2. Step 2: Convert to fraction form
    163,045.86/225,003.32 = 91,425.92/x
  3. Step 3: Cross multiply
    163,045.86x = 225,003.32 × 91,425.92
  4. Step 4: Simplify right side
    163,045.86x = 20,571,134,294.76
  5. Step 5: Solve for x
    x = 20,571,134,294.76/163,045.86
  6. Step 6: Final answer
    x = 126,167.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.