Home / 141,718.32-195,570.72-78,055.92

Finding the Fourth Proportional to 141,718.32, 195,570.72 and 78,055.92

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Solution

The fourth proportional to 141,718.32, 195,570.72 and 78,055.92 is: 107,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,718.32 : 195,570.72 = 78,055.92 : x
  2. Step 2: Convert to fraction form
    141,718.32/195,570.72 = 78,055.92/x
  3. Step 3: Cross multiply
    141,718.32x = 195,570.72 × 78,055.92
  4. Step 4: Simplify right side
    141,718.32x = 15,265,452,474.66
  5. Step 5: Solve for x
    x = 15,265,452,474.66/141,718.32
  6. Step 6: Final answer
    x = 107,716.86

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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.