Home / 123,021.10-184,531.65-121,984.30

Finding the Fourth Proportional to 123,021.10, 184,531.65 and 121,984.30

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Solution

The fourth proportional to 123,021.10, 184,531.65 and 121,984.30 is: 182,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,021.10 : 184,531.65 = 121,984.30 : x
  2. Step 2: Convert to fraction form
    123,021.10/184,531.65 = 121,984.30/x
  3. Step 3: Cross multiply
    123,021.10x = 184,531.65 × 121,984.30
  4. Step 4: Simplify right side
    123,021.10x = 22,509,964,153.10
  5. Step 5: Solve for x
    x = 22,509,964,153.10/123,021.10
  6. Step 6: Final answer
    x = 182,976.45

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Similar ratio
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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.