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Finding the Fourth Proportional to 183,744, 275,681.61 and 90,315.36

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Solution

The fourth proportional to 183,744, 275,681.61 and 90,315.36 is: 135,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,744 : 275,681.61 = 90,315.36 : x
  2. Step 2: Convert to fraction form
    183,744/275,681.61 = 90,315.36/x
  3. Step 3: Cross multiply
    183,744x = 275,681.61 × 90,315.36
  4. Step 4: Simplify right side
    183,744x = 24,898,283,852.53
  5. Step 5: Solve for x
    x = 24,898,283,852.53/183,744
  6. Step 6: Final answer
    x = 135,505.29

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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.