Home / 274,122.28-411,179.10-87,131.08

Finding the Fourth Proportional to 274,122.28, 411,179.10 and 87,131.08

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Solution

The fourth proportional to 274,122.28, 411,179.10 and 87,131.08 is: 130,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,122.28 : 411,179.10 = 87,131.08 : x
  2. Step 2: Convert to fraction form
    274,122.28/411,179.10 = 87,131.08/x
  3. Step 3: Cross multiply
    274,122.28x = 411,179.10 × 87,131.08
  4. Step 4: Simplify right side
    274,122.28x = 35,826,479,056.43
  5. Step 5: Solve for x
    x = 35,826,479,056.43/274,122.28
  6. Step 6: Final answer
    x = 130,695.25

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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.