Home / 149,112.30-223,522.65-133,365.90

Finding the Fourth Proportional to 149,112.30, 223,522.65 and 133,365.90

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Solution

The fourth proportional to 149,112.30, 223,522.65 and 133,365.90 is: 199,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,112.30 : 223,522.65 = 133,365.90 : x
  2. Step 2: Convert to fraction form
    149,112.30/223,522.65 = 133,365.90/x
  3. Step 3: Cross multiply
    149,112.30x = 223,522.65 × 133,365.90
  4. Step 4: Simplify right side
    149,112.30x = 29,810,299,387.64
  5. Step 5: Solve for x
    x = 29,810,299,387.64/149,112.30
  6. Step 6: Final answer
    x = 199,918.45

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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.