Home / 92,677.82-138,338.49-79,614.14

Finding the Fourth Proportional to 92,677.82, 138,338.49 and 79,614.14

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Solution

The fourth proportional to 92,677.82, 138,338.49 and 79,614.14 is: 118,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,677.82 : 138,338.49 = 79,614.14 : x
  2. Step 2: Convert to fraction form
    92,677.82/138,338.49 = 79,614.14/x
  3. Step 3: Cross multiply
    92,677.82x = 138,338.49 × 79,614.14
  4. Step 4: Simplify right side
    92,677.82x = 11,013,699,512.18
  5. Step 5: Solve for x
    x = 11,013,699,512.18/92,677.82
  6. Step 6: Final answer
    x = 118,838.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.