Home / 92,517.09-138,776.39-79,103.18

Finding the Fourth Proportional to 92,517.09, 138,776.39 and 79,103.18

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Solution

The fourth proportional to 92,517.09, 138,776.39 and 79,103.18 is: 118,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,517.09 : 138,776.39 = 79,103.18 : x
  2. Step 2: Convert to fraction form
    92,517.09/138,776.39 = 79,103.18/x
  3. Step 3: Cross multiply
    92,517.09x = 138,776.39 × 79,103.18
  4. Step 4: Simplify right side
    92,517.09x = 10,977,654,005.98
  5. Step 5: Solve for x
    x = 10,977,654,005.98/92,517.09
  6. Step 6: Final answer
    x = 118,655.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.