Home / 141,862.24-195,781.68-78,212.48

Finding the Fourth Proportional to 141,862.24, 195,781.68 and 78,212.48

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Solution

The fourth proportional to 141,862.24, 195,781.68 and 78,212.48 is: 107,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,862.24 : 195,781.68 = 78,212.48 : x
  2. Step 2: Convert to fraction form
    141,862.24/195,781.68 = 78,212.48/x
  3. Step 3: Cross multiply
    141,862.24x = 195,781.68 × 78,212.48
  4. Step 4: Simplify right side
    141,862.24x = 15,312,570,731.37
  5. Step 5: Solve for x
    x = 15,312,570,731.37/141,862.24
  6. Step 6: Final answer
    x = 107,939.72

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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.