Home / 165,876.20-248,814.30-95,719.40

Finding the Fourth Proportional to 165,876.20, 248,814.30 and 95,719.40

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Solution

The fourth proportional to 165,876.20, 248,814.30 and 95,719.40 is: 143,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,876.20 : 248,814.30 = 95,719.40 : x
  2. Step 2: Convert to fraction form
    165,876.20/248,814.30 = 95,719.40/x
  3. Step 3: Cross multiply
    165,876.20x = 248,814.30 × 95,719.40
  4. Step 4: Simplify right side
    165,876.20x = 23,816,355,507.42
  5. Step 5: Solve for x
    x = 23,816,355,507.42/165,876.20
  6. Step 6: Final answer
    x = 143,579.10

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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.