Home / 163,251.30-225,274.43-91,617.48

Finding the Fourth Proportional to 163,251.30, 225,274.43 and 91,617.48

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Solution

The fourth proportional to 163,251.30, 225,274.43 and 91,617.48 is: 126,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,251.30 : 225,274.43 = 91,617.48 : x
  2. Step 2: Convert to fraction form
    163,251.30/225,274.43 = 91,617.48/x
  3. Step 3: Cross multiply
    163,251.30x = 225,274.43 × 91,617.48
  4. Step 4: Simplify right side
    163,251.30x = 20,639,074,458.66
  5. Step 5: Solve for x
    x = 20,639,074,458.66/163,251.30
  6. Step 6: Final answer
    x = 126,425.18

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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.