Home / 89,120.10-133,701.11-25,941.59

Finding the Fourth Proportional to 89,120.10, 133,701.11 and 25,941.59

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Solution

The fourth proportional to 89,120.10, 133,701.11 and 25,941.59 is: 38,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,120.10 : 133,701.11 = 25,941.59 : x
  2. Step 2: Convert to fraction form
    89,120.10/133,701.11 = 25,941.59/x
  3. Step 3: Cross multiply
    89,120.10x = 133,701.11 × 25,941.59
  4. Step 4: Simplify right side
    89,120.10x = 3,468,419,378.16
  5. Step 5: Solve for x
    x = 3,468,419,378.16/89,120.10
  6. Step 6: Final answer
    x = 38,918.49

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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.