Home / 165,747.90-248,621.85-102,762.30

Finding the Fourth Proportional to 165,747.90, 248,621.85 and 102,762.30

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Solution

The fourth proportional to 165,747.90, 248,621.85 and 102,762.30 is: 154,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,747.90 : 248,621.85 = 102,762.30 : x
  2. Step 2: Convert to fraction form
    165,747.90/248,621.85 = 102,762.30/x
  3. Step 3: Cross multiply
    165,747.90x = 248,621.85 × 102,762.30
  4. Step 4: Simplify right side
    165,747.90x = 25,548,953,136.26
  5. Step 5: Solve for x
    x = 25,548,953,136.26/165,747.90
  6. Step 6: Final answer
    x = 154,143.45

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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.