Home / 141,705.14-195,561.94-78,042.92

Finding the Fourth Proportional to 141,705.14, 195,561.94 and 78,042.92

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Solution

The fourth proportional to 141,705.14, 195,561.94 and 78,042.92 is: 107,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,705.14 : 195,561.94 = 78,042.92 : x
  2. Step 2: Convert to fraction form
    141,705.14/195,561.94 = 78,042.92/x
  3. Step 3: Cross multiply
    141,705.14x = 195,561.94 × 78,042.92
  4. Step 4: Simplify right side
    141,705.14x = 15,262,225,132.26
  5. Step 5: Solve for x
    x = 15,262,225,132.26/141,705.14
  6. Step 6: Final answer
    x = 107,704.10

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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.