Home / 92,028.15-137,901.32-61,930.81

Finding the Fourth Proportional to 92,028.15, 137,901.32 and 61,930.81

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Solution

The fourth proportional to 92,028.15, 137,901.32 and 61,930.81 is: 92,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,028.15 : 137,901.32 = 61,930.81 : x
  2. Step 2: Convert to fraction form
    92,028.15/137,901.32 = 61,930.81/x
  3. Step 3: Cross multiply
    92,028.15x = 137,901.32 × 61,930.81
  4. Step 4: Simplify right side
    92,028.15x = 8,540,340,542.63
  5. Step 5: Solve for x
    x = 8,540,340,542.63/92,028.15
  6. Step 6: Final answer
    x = 92,801.39

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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.