Home / 261,921.80-361,454.64-148,745.36

Finding the Fourth Proportional to 261,921.80, 361,454.64 and 148,745.36

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Solution

The fourth proportional to 261,921.80, 361,454.64 and 148,745.36 is: 205,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,921.80 : 361,454.64 = 148,745.36 : x
  2. Step 2: Convert to fraction form
    261,921.80/361,454.64 = 148,745.36/x
  3. Step 3: Cross multiply
    261,921.80x = 361,454.64 × 148,745.36
  4. Step 4: Simplify right side
    261,921.80x = 53,764,700,550.47
  5. Step 5: Solve for x
    x = 53,764,700,550.47/261,921.80
  6. Step 6: Final answer
    x = 205,270.05

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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.