Home / 165,787.20-248,754.30-86,882.67

Finding the Fourth Proportional to 165,787.20, 248,754.30 and 86,882.67

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Solution

The fourth proportional to 165,787.20, 248,754.30 and 86,882.67 is: 130,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,787.20 : 248,754.30 = 86,882.67 : x
  2. Step 2: Convert to fraction form
    165,787.20/248,754.30 = 86,882.67/x
  3. Step 3: Cross multiply
    165,787.20x = 248,754.30 × 86,882.67
  4. Step 4: Simplify right side
    165,787.20x = 21,612,437,757.98
  5. Step 5: Solve for x
    x = 21,612,437,757.98/165,787.20
  6. Step 6: Final answer
    x = 130,362.52

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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.