Home / 141,122.97-194,750.33-77,461.29

Finding the Fourth Proportional to 141,122.97, 194,750.33 and 77,461.29

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Solution

The fourth proportional to 141,122.97, 194,750.33 and 77,461.29 is: 106,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,122.97 : 194,750.33 = 77,461.29 : x
  2. Step 2: Convert to fraction form
    141,122.97/194,750.33 = 77,461.29/x
  3. Step 3: Cross multiply
    141,122.97x = 194,750.33 × 77,461.29
  4. Step 4: Simplify right side
    141,122.97x = 15,085,611,402.42
  5. Step 5: Solve for x
    x = 15,085,611,402.42/141,122.97
  6. Step 6: Final answer
    x = 106,896.92

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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.