Home / 165,721.12-248,610.90-60,686.80

Finding the Fourth Proportional to 165,721.12, 248,610.90 and 60,686.80

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Solution

The fourth proportional to 165,721.12, 248,610.90 and 60,686.80 is: 91,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,721.12 : 248,610.90 = 60,686.80 : x
  2. Step 2: Convert to fraction form
    165,721.12/248,610.90 = 60,686.80/x
  3. Step 3: Cross multiply
    165,721.12x = 248,610.90 × 60,686.80
  4. Step 4: Simplify right side
    165,721.12x = 15,087,399,966.12
  5. Step 5: Solve for x
    x = 15,087,399,966.12/165,721.12
  6. Step 6: Final answer
    x = 91,040.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.