Home / 225,567.12-338,351.16-90,693.36

Finding the Fourth Proportional to 225,567.12, 338,351.16 and 90,693.36

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Solution

The fourth proportional to 225,567.12, 338,351.16 and 90,693.36 is: 136,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,567.12 : 338,351.16 = 90,693.36 : x
  2. Step 2: Convert to fraction form
    225,567.12/338,351.16 = 90,693.36/x
  3. Step 3: Cross multiply
    225,567.12x = 338,351.16 × 90,693.36
  4. Step 4: Simplify right side
    225,567.12x = 30,686,203,560.30
  5. Step 5: Solve for x
    x = 30,686,203,560.30/225,567.12
  6. Step 6: Final answer
    x = 136,040.23

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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.