Home / 151,871.39-207,761.14-151,231.69

Finding the Fourth Proportional to 151,871.39, 207,761.14 and 151,231.69

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Solution

The fourth proportional to 151,871.39, 207,761.14 and 151,231.69 is: 206,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,871.39 : 207,761.14 = 151,231.69 : x
  2. Step 2: Convert to fraction form
    151,871.39/207,761.14 = 151,231.69/x
  3. Step 3: Cross multiply
    151,871.39x = 207,761.14 × 151,231.69
  4. Step 4: Simplify right side
    151,871.39x = 31,420,069,192.61
  5. Step 5: Solve for x
    x = 31,420,069,192.61/151,871.39
  6. Step 6: Final answer
    x = 206,886.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.