Home / 272,010.42-408,015.50-85,021.92

Finding the Fourth Proportional to 272,010.42, 408,015.50 and 85,021.92

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Solution

The fourth proportional to 272,010.42, 408,015.50 and 85,021.92 is: 127,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,010.42 : 408,015.50 = 85,021.92 : x
  2. Step 2: Convert to fraction form
    272,010.42/408,015.50 = 85,021.92/x
  3. Step 3: Cross multiply
    272,010.42x = 408,015.50 × 85,021.92
  4. Step 4: Simplify right side
    272,010.42x = 34,690,260,774.65
  5. Step 5: Solve for x
    x = 34,690,260,774.65/272,010.42
  6. Step 6: Final answer
    x = 127,532.84

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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.