Home / 149,702.14-206,583.81-89,241.61

Finding the Fourth Proportional to 149,702.14, 206,583.81 and 89,241.61

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Solution

The fourth proportional to 149,702.14, 206,583.81 and 89,241.61 is: 123,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,702.14 : 206,583.81 = 89,241.61 : x
  2. Step 2: Convert to fraction form
    149,702.14/206,583.81 = 89,241.61/x
  3. Step 3: Cross multiply
    149,702.14x = 206,583.81 × 89,241.61
  4. Step 4: Simplify right side
    149,702.14x = 18,435,871,804.33
  5. Step 5: Solve for x
    x = 18,435,871,804.33/149,702.14
  6. Step 6: Final answer
    x = 123,150.36

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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.