Home / 123,997.19-186,019.73-52,918.79

Finding the Fourth Proportional to 123,997.19, 186,019.73 and 52,918.79

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Solution

The fourth proportional to 123,997.19, 186,019.73 and 52,918.79 is: 79,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,997.19 : 186,019.73 = 52,918.79 : x
  2. Step 2: Convert to fraction form
    123,997.19/186,019.73 = 52,918.79/x
  3. Step 3: Cross multiply
    123,997.19x = 186,019.73 × 52,918.79
  4. Step 4: Simplify right side
    123,997.19x = 9,843,938,763.13
  5. Step 5: Solve for x
    x = 9,843,938,763.13/123,997.19
  6. Step 6: Final answer
    x = 79,388.40

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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.