Home / 141,847.00-195,750.17-78,187.07

Finding the Fourth Proportional to 141,847.00, 195,750.17 and 78,187.07

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Solution

The fourth proportional to 141,847.00, 195,750.17 and 78,187.07 is: 107,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,847.00 : 195,750.17 = 78,187.07 : x
  2. Step 2: Convert to fraction form
    141,847.00/195,750.17 = 78,187.07/x
  3. Step 3: Cross multiply
    141,847.00x = 195,750.17 × 78,187.07
  4. Step 4: Simplify right side
    141,847.00x = 15,305,132,635.94
  5. Step 5: Solve for x
    x = 15,305,132,635.94/141,847.00
  6. Step 6: Final answer
    x = 107,898.88

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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.