Home / 141,478.30-195,241.31-76,948.12

Finding the Fourth Proportional to 141,478.30, 195,241.31 and 76,948.12

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Solution

The fourth proportional to 141,478.30, 195,241.31 and 76,948.12 is: 106,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,478.30 : 195,241.31 = 76,948.12 : x
  2. Step 2: Convert to fraction form
    141,478.30/195,241.31 = 76,948.12/x
  3. Step 3: Cross multiply
    141,478.30x = 195,241.31 × 76,948.12
  4. Step 4: Simplify right side
    141,478.30x = 15,023,451,750.84
  5. Step 5: Solve for x
    x = 15,023,451,750.84/141,478.30
  6. Step 6: Final answer
    x = 106,189.09

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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.