Home / 102,883.11-141,977.42-57,560.94

Finding the Fourth Proportional to 102,883.11, 141,977.42 and 57,560.94

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Solution

The fourth proportional to 102,883.11, 141,977.42 and 57,560.94 is: 79,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,883.11 : 141,977.42 = 57,560.94 : x
  2. Step 2: Convert to fraction form
    102,883.11/141,977.42 = 57,560.94/x
  3. Step 3: Cross multiply
    102,883.11x = 141,977.42 × 57,560.94
  4. Step 4: Simplify right side
    102,883.11x = 8,172,353,466.17
  5. Step 5: Solve for x
    x = 8,172,353,466.17/102,883.11
  6. Step 6: Final answer
    x = 79,433.38

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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.