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Finding the Fourth Proportional to 109,808.44, 151,535.64 and 59,507.44

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Solution

The fourth proportional to 109,808.44, 151,535.64 and 59,507.44 is: 82,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,808.44 : 151,535.64 = 59,507.44 : x
  2. Step 2: Convert to fraction form
    109,808.44/151,535.64 = 59,507.44/x
  3. Step 3: Cross multiply
    109,808.44x = 151,535.64 × 59,507.44
  4. Step 4: Simplify right side
    109,808.44x = 9,017,498,005.16
  5. Step 5: Solve for x
    x = 9,017,498,005.16/109,808.44
  6. Step 6: Final answer
    x = 82,120.26

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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.