Home / 141,487.74-195,264.90-77,837.22

Finding the Fourth Proportional to 141,487.74, 195,264.90 and 77,837.22

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Solution

The fourth proportional to 141,487.74, 195,264.90 and 77,837.22 is: 107,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,487.74 : 195,264.90 = 77,837.22 : x
  2. Step 2: Convert to fraction form
    141,487.74/195,264.90 = 77,837.22/x
  3. Step 3: Cross multiply
    141,487.74x = 195,264.90 × 77,837.22
  4. Step 4: Simplify right side
    141,487.74x = 15,198,876,979.58
  5. Step 5: Solve for x
    x = 15,198,876,979.58/141,487.74
  6. Step 6: Final answer
    x = 107,421.87

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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.