Home / 87,888.48-132,386.22-80,040.84

Finding the Fourth Proportional to 87,888.48, 132,386.22 and 80,040.84

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Solution

The fourth proportional to 87,888.48, 132,386.22 and 80,040.84 is: 120,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,888.48 : 132,386.22 = 80,040.84 : x
  2. Step 2: Convert to fraction form
    87,888.48/132,386.22 = 80,040.84/x
  3. Step 3: Cross multiply
    87,888.48x = 132,386.22 × 80,040.84
  4. Step 4: Simplify right side
    87,888.48x = 10,596,304,253.22
  5. Step 5: Solve for x
    x = 10,596,304,253.22/87,888.48
  6. Step 6: Final answer
    x = 120,565.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.