Home / 141,214.85-194,876.26-77,552.64

Finding the Fourth Proportional to 141,214.85, 194,876.26 and 77,552.64

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Solution

The fourth proportional to 141,214.85, 194,876.26 and 77,552.64 is: 107,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,214.85 : 194,876.26 = 77,552.64 : x
  2. Step 2: Convert to fraction form
    141,214.85/194,876.26 = 77,552.64/x
  3. Step 3: Cross multiply
    141,214.85x = 194,876.26 × 77,552.64
  4. Step 4: Simplify right side
    141,214.85x = 15,113,169,131.69
  5. Step 5: Solve for x
    x = 15,113,169,131.69/141,214.85
  6. Step 6: Final answer
    x = 107,022.52

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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.