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Finding the Fourth Proportional to 161,674.92, 241,837.20 and 113,640.48

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Solution

The fourth proportional to 161,674.92, 241,837.20 and 113,640.48 is: 169,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,674.92 : 241,837.20 = 113,640.48 : x
  2. Step 2: Convert to fraction form
    161,674.92/241,837.20 = 113,640.48/x
  3. Step 3: Cross multiply
    161,674.92x = 241,837.20 × 113,640.48
  4. Step 4: Simplify right side
    161,674.92x = 27,482,495,489.86
  5. Step 5: Solve for x
    x = 27,482,495,489.86/161,674.92
  6. Step 6: Final answer
    x = 169,986.14

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1.5x scale

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.