Home / 141,513.22-195,291.28-77,851

Finding the Fourth Proportional to 141,513.22, 195,291.28 and 77,851

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Solution

The fourth proportional to 141,513.22, 195,291.28 and 77,851 is: 107,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,513.22 : 195,291.28 = 77,851 : x
  2. Step 2: Convert to fraction form
    141,513.22/195,291.28 = 77,851/x
  3. Step 3: Cross multiply
    141,513.22x = 195,291.28 × 77,851
  4. Step 4: Simplify right side
    141,513.22x = 15,203,621,439.28
  5. Step 5: Solve for x
    x = 15,203,621,439.28/141,513.22
  6. Step 6: Final answer
    x = 107,436.05

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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.