Home / 141,730.29-195,588.33-78,067.92

Finding the Fourth Proportional to 141,730.29, 195,588.33 and 78,067.92

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Solution

The fourth proportional to 141,730.29, 195,588.33 and 78,067.92 is: 107,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,730.29 : 195,588.33 = 78,067.92 : x
  2. Step 2: Convert to fraction form
    141,730.29/195,588.33 = 78,067.92/x
  3. Step 3: Cross multiply
    141,730.29x = 195,588.33 × 78,067.92
  4. Step 4: Simplify right side
    141,730.29x = 15,269,174,099.37
  5. Step 5: Solve for x
    x = 15,269,174,099.37/141,730.29
  6. Step 6: Final answer
    x = 107,734.02

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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.