Home / 165,924.70-248,887.05-156,939.10

Finding the Fourth Proportional to 165,924.70, 248,887.05 and 156,939.10

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Solution

The fourth proportional to 165,924.70, 248,887.05 and 156,939.10 is: 235,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,924.70 : 248,887.05 = 156,939.10 : x
  2. Step 2: Convert to fraction form
    165,924.70/248,887.05 = 156,939.10/x
  3. Step 3: Cross multiply
    165,924.70x = 248,887.05 × 156,939.10
  4. Step 4: Simplify right side
    165,924.70x = 39,060,109,628.66
  5. Step 5: Solve for x
    x = 39,060,109,628.66/165,924.70
  6. Step 6: Final answer
    x = 235,408.65

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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.