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Finding the Fourth Proportional to 180,273.91, 248,796.69 and 103,795.74

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Solution

The fourth proportional to 180,273.91, 248,796.69 and 103,795.74 is: 143,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,273.91 : 248,796.69 = 103,795.74 : x
  2. Step 2: Convert to fraction form
    180,273.91/248,796.69 = 103,795.74/x
  3. Step 3: Cross multiply
    180,273.91x = 248,796.69 × 103,795.74
  4. Step 4: Simplify right side
    180,273.91x = 25,824,036,548.10
  5. Step 5: Solve for x
    x = 25,824,036,548.10/180,273.91
  6. Step 6: Final answer
    x = 143,248.88

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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.