Home / 141,452.29-195,200.27-77,790.09

Finding the Fourth Proportional to 141,452.29, 195,200.27 and 77,790.09

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Solution

The fourth proportional to 141,452.29, 195,200.27 and 77,790.09 is: 107,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,452.29 : 195,200.27 = 77,790.09 : x
  2. Step 2: Convert to fraction form
    141,452.29/195,200.27 = 77,790.09/x
  3. Step 3: Cross multiply
    141,452.29x = 195,200.27 × 77,790.09
  4. Step 4: Simplify right side
    141,452.29x = 15,184,646,571.32
  5. Step 5: Solve for x
    x = 15,184,646,571.32/141,452.29
  6. Step 6: Final answer
    x = 107,348.18

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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.