Home / 261,919.80-361,451.88-148,743.36

Finding the Fourth Proportional to 261,919.80, 361,451.88 and 148,743.36

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Solution

The fourth proportional to 261,919.80, 361,451.88 and 148,743.36 is: 205,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,919.80 : 361,451.88 = 148,743.36 : x
  2. Step 2: Convert to fraction form
    261,919.80/361,451.88 = 148,743.36/x
  3. Step 3: Cross multiply
    261,919.80x = 361,451.88 × 148,743.36
  4. Step 4: Simplify right side
    261,919.80x = 53,763,567,109.52
  5. Step 5: Solve for x
    x = 53,763,567,109.52/261,919.80
  6. Step 6: Final answer
    x = 205,267.29

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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.