Home / 80,167.32-120,242.88-27,580.56

Finding the Fourth Proportional to 80,167.32, 120,242.88 and 27,580.56

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Solution

The fourth proportional to 80,167.32, 120,242.88 and 27,580.56 is: 41,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,167.32 : 120,242.88 = 27,580.56 : x
  2. Step 2: Convert to fraction form
    80,167.32/120,242.88 = 27,580.56/x
  3. Step 3: Cross multiply
    80,167.32x = 120,242.88 × 27,580.56
  4. Step 4: Simplify right side
    80,167.32x = 3,316,365,966.41
  5. Step 5: Solve for x
    x = 3,316,365,966.41/80,167.32
  6. Step 6: Final answer
    x = 41,368.05

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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.