Home / 133,014.33-199,444.70-90,945.36

Finding the Fourth Proportional to 133,014.33, 199,444.70 and 90,945.36

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Solution

The fourth proportional to 133,014.33, 199,444.70 and 90,945.36 is: 136,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,014.33 : 199,444.70 = 90,945.36 : x
  2. Step 2: Convert to fraction form
    133,014.33/199,444.70 = 90,945.36/x
  3. Step 3: Cross multiply
    133,014.33x = 199,444.70 × 90,945.36
  4. Step 4: Simplify right side
    133,014.33x = 18,138,570,041.59
  5. Step 5: Solve for x
    x = 18,138,570,041.59/133,014.33
  6. Step 6: Final answer
    x = 136,365.53

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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.