Home / 149,440.34-206,224.97-85,773.12

Finding the Fourth Proportional to 149,440.34, 206,224.97 and 85,773.12

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Solution

The fourth proportional to 149,440.34, 206,224.97 and 85,773.12 is: 118,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,440.34 : 206,224.97 = 85,773.12 : x
  2. Step 2: Convert to fraction form
    149,440.34/206,224.97 = 85,773.12/x
  3. Step 3: Cross multiply
    149,440.34x = 206,224.97 × 85,773.12
  4. Step 4: Simplify right side
    149,440.34x = 17,688,558,669.94
  5. Step 5: Solve for x
    x = 17,688,558,669.94/149,440.34
  6. Step 6: Final answer
    x = 118,365.36

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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.