Home / 161,816.60-242,595.30-68,245.40

Finding the Fourth Proportional to 161,816.60, 242,595.30 and 68,245.40

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Solution

The fourth proportional to 161,816.60, 242,595.30 and 68,245.40 is: 102,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,816.60 : 242,595.30 = 68,245.40 : x
  2. Step 2: Convert to fraction form
    161,816.60/242,595.30 = 68,245.40/x
  3. Step 3: Cross multiply
    161,816.60x = 242,595.30 × 68,245.40
  4. Step 4: Simplify right side
    161,816.60x = 16,556,013,286.62
  5. Step 5: Solve for x
    x = 16,556,013,286.62/161,816.60
  6. Step 6: Final answer
    x = 102,313.44

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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.