Home / 272,164.20-408,051.90-122,281.80

Finding the Fourth Proportional to 272,164.20, 408,051.90 and 122,281.80

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Solution

The fourth proportional to 272,164.20, 408,051.90 and 122,281.80 is: 183,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,164.20 : 408,051.90 = 122,281.80 : x
  2. Step 2: Convert to fraction form
    272,164.20/408,051.90 = 122,281.80/x
  3. Step 3: Cross multiply
    272,164.20x = 408,051.90 × 122,281.80
  4. Step 4: Simplify right side
    272,164.20x = 49,897,320,825.42
  5. Step 5: Solve for x
    x = 49,897,320,825.42/272,164.20
  6. Step 6: Final answer
    x = 183,335.36

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1.5x scale

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.