Home / 163,387.52-225,475.68-91,767.56

Finding the Fourth Proportional to 163,387.52, 225,475.68 and 91,767.56

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Solution

The fourth proportional to 163,387.52, 225,475.68 and 91,767.56 is: 126,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,387.52 : 225,475.68 = 91,767.56 : x
  2. Step 2: Convert to fraction form
    163,387.52/225,475.68 = 91,767.56/x
  3. Step 3: Cross multiply
    163,387.52x = 225,475.68 × 91,767.56
  4. Step 4: Simplify right side
    163,387.52x = 20,691,352,992.94
  5. Step 5: Solve for x
    x = 20,691,352,992.94/163,387.52
  6. Step 6: Final answer
    x = 126,639.74

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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.