Home / 141,747.24-195,611.34-78,085.08

Finding the Fourth Proportional to 141,747.24, 195,611.34 and 78,085.08

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Solution

The fourth proportional to 141,747.24, 195,611.34 and 78,085.08 is: 107,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,747.24 : 195,611.34 = 78,085.08 : x
  2. Step 2: Convert to fraction form
    141,747.24/195,611.34 = 78,085.08/x
  3. Step 3: Cross multiply
    141,747.24x = 195,611.34 × 78,085.08
  4. Step 4: Simplify right side
    141,747.24x = 15,274,327,132.81
  5. Step 5: Solve for x
    x = 15,274,327,132.81/141,747.24
  6. Step 6: Final answer
    x = 107,757.49

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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.