Home / 168,059.72-251,952.62-78,159.16

Finding the Fourth Proportional to 168,059.72, 251,952.62 and 78,159.16

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Solution

The fourth proportional to 168,059.72, 251,952.62 and 78,159.16 is: 117,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,059.72 : 251,952.62 = 78,159.16 : x
  2. Step 2: Convert to fraction form
    168,059.72/251,952.62 = 78,159.16/x
  3. Step 3: Cross multiply
    168,059.72x = 251,952.62 × 78,159.16
  4. Step 4: Simplify right side
    168,059.72x = 19,692,405,139.00
  5. Step 5: Solve for x
    x = 19,692,405,139.00/168,059.72
  6. Step 6: Final answer
    x = 117,175.04

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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.