Home / 141,698.70-195,542.91-78,035.13

Finding the Fourth Proportional to 141,698.70, 195,542.91 and 78,035.13

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Solution

The fourth proportional to 141,698.70, 195,542.91 and 78,035.13 is: 107,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,698.70 : 195,542.91 = 78,035.13 : x
  2. Step 2: Convert to fraction form
    141,698.70/195,542.91 = 78,035.13/x
  3. Step 3: Cross multiply
    141,698.70x = 195,542.91 × 78,035.13
  4. Step 4: Simplify right side
    141,698.70x = 15,259,216,402.43
  5. Step 5: Solve for x
    x = 15,259,216,402.43/141,698.70
  6. Step 6: Final answer
    x = 107,687.77

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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.