Home / 149,644.02-206,341.29-122,334.87

Finding the Fourth Proportional to 149,644.02, 206,341.29 and 122,334.87

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Solution

The fourth proportional to 149,644.02, 206,341.29 and 122,334.87 is: 168,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,644.02 : 206,341.29 = 122,334.87 : x
  2. Step 2: Convert to fraction form
    149,644.02/206,341.29 = 122,334.87/x
  3. Step 3: Cross multiply
    149,644.02x = 206,341.29 × 122,334.87
  4. Step 4: Simplify right side
    149,644.02x = 25,242,734,887.78
  5. Step 5: Solve for x
    x = 25,242,734,887.78/149,644.02
  6. Step 6: Final answer
    x = 168,685.22

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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.