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Finding the Fourth Proportional to 173,907.81, 239,872.72 and 122,334.25

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Solution

The fourth proportional to 173,907.81, 239,872.72 and 122,334.25 is: 168,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,907.81 : 239,872.72 = 122,334.25 : x
  2. Step 2: Convert to fraction form
    173,907.81/239,872.72 = 122,334.25/x
  3. Step 3: Cross multiply
    173,907.81x = 239,872.72 × 122,334.25
  4. Step 4: Simplify right side
    173,907.81x = 29,344,649,296.66
  5. Step 5: Solve for x
    x = 29,344,649,296.66/173,907.81
  6. Step 6: Final answer
    x = 168,736.81

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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.