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Finding the Fourth Proportional to 89,107.34, 133,328.80 and 88,110.84

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Solution

The fourth proportional to 89,107.34, 133,328.80 and 88,110.84 is: 131,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,107.34 : 133,328.80 = 88,110.84 : x
  2. Step 2: Convert to fraction form
    89,107.34/133,328.80 = 88,110.84/x
  3. Step 3: Cross multiply
    89,107.34x = 133,328.80 × 88,110.84
  4. Step 4: Simplify right side
    89,107.34x = 11,747,712,564.19
  5. Step 5: Solve for x
    x = 11,747,712,564.19/89,107.34
  6. Step 6: Final answer
    x = 131,837.77

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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.