Home / 121,667.05-167,883.94-67,945.22

Finding the Fourth Proportional to 121,667.05, 167,883.94 and 67,945.22

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Solution

The fourth proportional to 121,667.05, 167,883.94 and 67,945.22 is: 93,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,667.05 : 167,883.94 = 67,945.22 : x
  2. Step 2: Convert to fraction form
    121,667.05/167,883.94 = 67,945.22/x
  3. Step 3: Cross multiply
    121,667.05x = 167,883.94 × 67,945.22
  4. Step 4: Simplify right side
    121,667.05x = 11,406,910,058.62
  5. Step 5: Solve for x
    x = 11,406,910,058.62/121,667.05
  6. Step 6: Final answer
    x = 93,755.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.