Home / 141,415.29-195,125.07-79,327.74

Finding the Fourth Proportional to 141,415.29, 195,125.07 and 79,327.74

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Solution

The fourth proportional to 141,415.29, 195,125.07 and 79,327.74 is: 109,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,415.29 : 195,125.07 = 79,327.74 : x
  2. Step 2: Convert to fraction form
    141,415.29/195,125.07 = 79,327.74/x
  3. Step 3: Cross multiply
    141,415.29x = 195,125.07 × 79,327.74
  4. Step 4: Simplify right side
    141,415.29x = 15,478,830,820.44
  5. Step 5: Solve for x
    x = 15,478,830,820.44/141,415.29
  6. Step 6: Final answer
    x = 109,456.56

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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.