Home / 141,370.29-195,081.05-77,712.21

Finding the Fourth Proportional to 141,370.29, 195,081.05 and 77,712.21

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Solution

The fourth proportional to 141,370.29, 195,081.05 and 77,712.21 is: 107,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,370.29 : 195,081.05 = 77,712.21 : x
  2. Step 2: Convert to fraction form
    141,370.29/195,081.05 = 77,712.21/x
  3. Step 3: Cross multiply
    141,370.29x = 195,081.05 × 77,712.21
  4. Step 4: Simplify right side
    141,370.29x = 15,160,179,136.06
  5. Step 5: Solve for x
    x = 15,160,179,136.06/141,370.29
  6. Step 6: Final answer
    x = 107,237.38

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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.