Home / 165,418.65-248,129.46-47,089.94

Finding the Fourth Proportional to 165,418.65, 248,129.46 and 47,089.94

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Solution

The fourth proportional to 165,418.65, 248,129.46 and 47,089.94 is: 70,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,418.65 : 248,129.46 = 47,089.94 : x
  2. Step 2: Convert to fraction form
    165,418.65/248,129.46 = 47,089.94/x
  3. Step 3: Cross multiply
    165,418.65x = 248,129.46 × 47,089.94
  4. Step 4: Simplify right side
    165,418.65x = 11,684,400,142.99
  5. Step 5: Solve for x
    x = 11,684,400,142.99/165,418.65
  6. Step 6: Final answer
    x = 70,635.33

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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.