Home / 108,677.14-149,974.05-60,930.46

Finding the Fourth Proportional to 108,677.14, 149,974.05 and 60,930.46

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Solution

The fourth proportional to 108,677.14, 149,974.05 and 60,930.46 is: 84,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,677.14 : 149,974.05 = 60,930.46 : x
  2. Step 2: Convert to fraction form
    108,677.14/149,974.05 = 60,930.46/x
  3. Step 3: Cross multiply
    108,677.14x = 149,974.05 × 60,930.46
  4. Step 4: Simplify right side
    108,677.14x = 9,137,987,854.56
  5. Step 5: Solve for x
    x = 9,137,987,854.56/108,677.14
  6. Step 6: Final answer
    x = 84,083.81

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1.5x scale

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.