Home / 162,101.48-243,137.62-114,918.78

Finding the Fourth Proportional to 162,101.48, 243,137.62 and 114,918.78

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Solution

The fourth proportional to 162,101.48, 243,137.62 and 114,918.78 is: 172,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,101.48 : 243,137.62 = 114,918.78 : x
  2. Step 2: Convert to fraction form
    162,101.48/243,137.62 = 114,918.78/x
  3. Step 3: Cross multiply
    162,101.48x = 243,137.62 × 114,918.78
  4. Step 4: Simplify right side
    162,101.48x = 27,941,078,662.50
  5. Step 5: Solve for x
    x = 27,941,078,662.50/162,101.48
  6. Step 6: Final answer
    x = 172,367.82

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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.