Home / 121,384.44-167,504.22-66,945.56

Finding the Fourth Proportional to 121,384.44, 167,504.22 and 66,945.56

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Solution

The fourth proportional to 121,384.44, 167,504.22 and 66,945.56 is: 92,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,384.44 : 167,504.22 = 66,945.56 : x
  2. Step 2: Convert to fraction form
    121,384.44/167,504.22 = 66,945.56/x
  3. Step 3: Cross multiply
    121,384.44x = 167,504.22 × 66,945.56
  4. Step 4: Simplify right side
    121,384.44x = 11,213,662,972.74
  5. Step 5: Solve for x
    x = 11,213,662,972.74/121,384.44
  6. Step 6: Final answer
    x = 92,381.39

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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.