Home / 161,984.21-243,022.96-49,680.90

Finding the Fourth Proportional to 161,984.21, 243,022.96 and 49,680.90

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Solution

The fourth proportional to 161,984.21, 243,022.96 and 49,680.90 is: 74,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,984.21 : 243,022.96 = 49,680.90 : x
  2. Step 2: Convert to fraction form
    161,984.21/243,022.96 = 49,680.90/x
  3. Step 3: Cross multiply
    161,984.21x = 243,022.96 × 49,680.90
  4. Step 4: Simplify right side
    161,984.21x = 12,073,599,979.34
  5. Step 5: Solve for x
    x = 12,073,599,979.34/161,984.21
  6. Step 6: Final answer
    x = 74,535.66

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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.