Home / 163,287.52-225,334.79-91,665.70

Finding the Fourth Proportional to 163,287.52, 225,334.79 and 91,665.70

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Solution

The fourth proportional to 163,287.52, 225,334.79 and 91,665.70 is: 126,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,287.52 : 225,334.79 = 91,665.70 : x
  2. Step 2: Convert to fraction form
    163,287.52/225,334.79 = 91,665.70/x
  3. Step 3: Cross multiply
    163,287.52x = 225,334.79 × 91,665.70
  4. Step 4: Simplify right side
    163,287.52x = 20,655,470,133.03
  5. Step 5: Solve for x
    x = 20,655,470,133.03/163,287.52
  6. Step 6: Final answer
    x = 126,497.55

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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.