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Finding the Fourth Proportional to 173,805.68, 260,472.72 and 73,840.52

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Solution

The fourth proportional to 173,805.68, 260,472.72 and 73,840.52 is: 110,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,805.68 : 260,472.72 = 73,840.52 : x
  2. Step 2: Convert to fraction form
    173,805.68/260,472.72 = 73,840.52/x
  3. Step 3: Cross multiply
    173,805.68x = 260,472.72 × 73,840.52
  4. Step 4: Simplify right side
    173,805.68x = 19,233,441,090.61
  5. Step 5: Solve for x
    x = 19,233,441,090.61/173,805.68
  6. Step 6: Final answer
    x = 110,660.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.