Home / 163,437.20-225,541.98-91,815.69

Finding the Fourth Proportional to 163,437.20, 225,541.98 and 91,815.69

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Solution

The fourth proportional to 163,437.20, 225,541.98 and 91,815.69 is: 126,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,437.20 : 225,541.98 = 91,815.69 : x
  2. Step 2: Convert to fraction form
    163,437.20/225,541.98 = 91,815.69/x
  3. Step 3: Cross multiply
    163,437.20x = 225,541.98 × 91,815.69
  4. Step 4: Simplify right side
    163,437.20x = 20,708,292,517.67
  5. Step 5: Solve for x
    x = 20,708,292,517.67/163,437.20
  6. Step 6: Final answer
    x = 126,704.89

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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.