Home / 94,122.73-129,823.77-79,877.44

Finding the Fourth Proportional to 94,122.73, 129,823.77 and 79,877.44

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Solution

The fourth proportional to 94,122.73, 129,823.77 and 79,877.44 is: 110,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,122.73 : 129,823.77 = 79,877.44 : x
  2. Step 2: Convert to fraction form
    94,122.73/129,823.77 = 79,877.44/x
  3. Step 3: Cross multiply
    94,122.73x = 129,823.77 × 79,877.44
  4. Step 4: Simplify right side
    94,122.73x = 10,369,990,398.75
  5. Step 5: Solve for x
    x = 10,369,990,398.75/94,122.73
  6. Step 6: Final answer
    x = 110,175.20

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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.