Home / 163,597.47-225,761.23-90,998.79

Finding the Fourth Proportional to 163,597.47, 225,761.23 and 90,998.79

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Solution

The fourth proportional to 163,597.47, 225,761.23 and 90,998.79 is: 125,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,597.47 : 225,761.23 = 90,998.79 : x
  2. Step 2: Convert to fraction form
    163,597.47/225,761.23 = 90,998.79/x
  3. Step 3: Cross multiply
    163,597.47x = 225,761.23 × 90,998.79
  4. Step 4: Simplify right side
    163,597.47x = 20,543,998,758.91
  5. Step 5: Solve for x
    x = 20,543,998,758.91/163,597.47
  6. Step 6: Final answer
    x = 125,576.51

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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.