Home / 149,936.80-206,878.68-89,527

Finding the Fourth Proportional to 149,936.80, 206,878.68 and 89,527

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Solution

The fourth proportional to 149,936.80, 206,878.68 and 89,527 is: 123,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,936.80 : 206,878.68 = 89,527 : x
  2. Step 2: Convert to fraction form
    149,936.80/206,878.68 = 89,527/x
  3. Step 3: Cross multiply
    149,936.80x = 206,878.68 × 89,527
  4. Step 4: Simplify right side
    149,936.80x = 18,521,227,584.36
  5. Step 5: Solve for x
    x = 18,521,227,584.36/149,936.80
  6. Step 6: Final answer
    x = 123,526.90

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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.