Home / 89,285.25-133,927.88-69,578.56

Finding the Fourth Proportional to 89,285.25, 133,927.88 and 69,578.56

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Solution

The fourth proportional to 89,285.25, 133,927.88 and 69,578.56 is: 104,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,285.25 : 133,927.88 = 69,578.56 : x
  2. Step 2: Convert to fraction form
    89,285.25/133,927.88 = 69,578.56/x
  3. Step 3: Cross multiply
    89,285.25x = 133,927.88 × 69,578.56
  4. Step 4: Simplify right side
    89,285.25x = 9,318,509,034.25
  5. Step 5: Solve for x
    x = 9,318,509,034.25/89,285.25
  6. Step 6: Final answer
    x = 104,367.84

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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.