Home / 261,668.20-361,081.53-148,490.95

Finding the Fourth Proportional to 261,668.20, 361,081.53 and 148,490.95

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Solution

The fourth proportional to 261,668.20, 361,081.53 and 148,490.95 is: 204,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,668.20 : 361,081.53 = 148,490.95 : x
  2. Step 2: Convert to fraction form
    261,668.20/361,081.53 = 148,490.95/x
  3. Step 3: Cross multiply
    261,668.20x = 361,081.53 × 148,490.95
  4. Step 4: Simplify right side
    261,668.20x = 53,617,339,417.15
  5. Step 5: Solve for x
    x = 53,617,339,417.15/261,668.20
  6. Step 6: Final answer
    x = 204,905.83

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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.