Home / 261,882.56-361,388.34-160,078.52

Finding the Fourth Proportional to 261,882.56, 361,388.34 and 160,078.52

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Solution

The fourth proportional to 261,882.56, 361,388.34 and 160,078.52 is: 220,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,882.56 : 361,388.34 = 160,078.52 : x
  2. Step 2: Convert to fraction form
    261,882.56/361,388.34 = 160,078.52/x
  3. Step 3: Cross multiply
    261,882.56x = 361,388.34 × 160,078.52
  4. Step 4: Simplify right side
    261,882.56x = 57,850,510,612.46
  5. Step 5: Solve for x
    x = 57,850,510,612.46/261,882.56
  6. Step 6: Final answer
    x = 220,902.49

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1.5x scale

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.