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Finding the Fourth Proportional to 101,334.57, 151,259.79 and 89,364.08

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Solution

The fourth proportional to 101,334.57, 151,259.79 and 89,364.08 is: 133,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,334.57 : 151,259.79 = 89,364.08 : x
  2. Step 2: Convert to fraction form
    101,334.57/151,259.79 = 89,364.08/x
  3. Step 3: Cross multiply
    101,334.57x = 151,259.79 × 89,364.08
  4. Step 4: Simplify right side
    101,334.57x = 13,517,191,974.34
  5. Step 5: Solve for x
    x = 13,517,191,974.34/101,334.57
  6. Step 6: Final answer
    x = 133,391.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.