Home / 123,127.89-183,801.48-108,181.11

Finding the Fourth Proportional to 123,127.89, 183,801.48 and 108,181.11

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Solution

The fourth proportional to 123,127.89, 183,801.48 and 108,181.11 is: 161,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,127.89 : 183,801.48 = 108,181.11 : x
  2. Step 2: Convert to fraction form
    123,127.89/183,801.48 = 108,181.11/x
  3. Step 3: Cross multiply
    123,127.89x = 183,801.48 × 108,181.11
  4. Step 4: Simplify right side
    123,127.89x = 19,883,848,126.04
  5. Step 5: Solve for x
    x = 19,883,848,126.04/123,127.89
  6. Step 6: Final answer
    x = 161,489.39

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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.