Home / 92,977.78-139,408.23-67,686.34

Finding the Fourth Proportional to 92,977.78, 139,408.23 and 67,686.34

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Solution

The fourth proportional to 92,977.78, 139,408.23 and 67,686.34 is: 101,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.78 : 139,408.23 = 67,686.34 : x
  2. Step 2: Convert to fraction form
    92,977.78/139,408.23 = 67,686.34/x
  3. Step 3: Cross multiply
    92,977.78x = 139,408.23 × 67,686.34
  4. Step 4: Simplify right side
    92,977.78x = 9,436,032,854.58
  5. Step 5: Solve for x
    x = 9,436,032,854.58/92,977.78
  6. Step 6: Final answer
    x = 101,486.97

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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.