Home / 102,433.92-141,308.55-68,450.77

Finding the Fourth Proportional to 102,433.92, 141,308.55 and 68,450.77

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Solution

The fourth proportional to 102,433.92, 141,308.55 and 68,450.77 is: 94,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,433.92 : 141,308.55 = 68,450.77 : x
  2. Step 2: Convert to fraction form
    102,433.92/141,308.55 = 68,450.77/x
  3. Step 3: Cross multiply
    102,433.92x = 141,308.55 × 68,450.77
  4. Step 4: Simplify right side
    102,433.92x = 9,672,679,231.72
  5. Step 5: Solve for x
    x = 9,672,679,231.72/102,433.92
  6. Step 6: Final answer
    x = 94,428.48

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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.