Home / 141,250.28-194,877.81-79,988.09

Finding the Fourth Proportional to 141,250.28, 194,877.81 and 79,988.09

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Solution

The fourth proportional to 141,250.28, 194,877.81 and 79,988.09 is: 110,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,250.28 : 194,877.81 = 79,988.09 : x
  2. Step 2: Convert to fraction form
    141,250.28/194,877.81 = 79,988.09/x
  3. Step 3: Cross multiply
    141,250.28x = 194,877.81 × 79,988.09
  4. Step 4: Simplify right side
    141,250.28x = 15,587,902,830.89
  5. Step 5: Solve for x
    x = 15,587,902,830.89/141,250.28
  6. Step 6: Final answer
    x = 110,356.62

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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.