Home / 90,705.20-136,059.20-34,548.44

Finding the Fourth Proportional to 90,705.20, 136,059.20 and 34,548.44

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Solution

The fourth proportional to 90,705.20, 136,059.20 and 34,548.44 is: 51,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,705.20 : 136,059.20 = 34,548.44 : x
  2. Step 2: Convert to fraction form
    90,705.20/136,059.20 = 34,548.44/x
  3. Step 3: Cross multiply
    90,705.20x = 136,059.20 × 34,548.44
  4. Step 4: Simplify right side
    90,705.20x = 4,700,633,107.65
  5. Step 5: Solve for x
    x = 4,700,633,107.65/90,705.20
  6. Step 6: Final answer
    x = 51,823.19

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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.