Home / 101,942.32-152,765.62-57,474.20

Finding the Fourth Proportional to 101,942.32, 152,765.62 and 57,474.20

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Solution

The fourth proportional to 101,942.32, 152,765.62 and 57,474.20 is: 86,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,942.32 : 152,765.62 = 57,474.20 : x
  2. Step 2: Convert to fraction form
    101,942.32/152,765.62 = 57,474.20/x
  3. Step 3: Cross multiply
    101,942.32x = 152,765.62 × 57,474.20
  4. Step 4: Simplify right side
    101,942.32x = 8,780,081,797.00
  5. Step 5: Solve for x
    x = 8,780,081,797.00/101,942.32
  6. Step 6: Final answer
    x = 86,127.94

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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.