Home / 163,291.97-225,330.45-91,658.15

Finding the Fourth Proportional to 163,291.97, 225,330.45 and 91,658.15

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Solution

The fourth proportional to 163,291.97, 225,330.45 and 91,658.15 is: 126,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,291.97 : 225,330.45 = 91,658.15 : x
  2. Step 2: Convert to fraction form
    163,291.97/225,330.45 = 91,658.15/x
  3. Step 3: Cross multiply
    163,291.97x = 225,330.45 × 91,658.15
  4. Step 4: Simplify right side
    163,291.97x = 20,653,371,059.02
  5. Step 5: Solve for x
    x = 20,653,371,059.02/163,291.97
  6. Step 6: Final answer
    x = 126,481.25

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1.5x scale

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.