Home / 108,032.20-161,756.70-84,704.20

Finding the Fourth Proportional to 108,032.20, 161,756.70 and 84,704.20

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Solution

The fourth proportional to 108,032.20, 161,756.70 and 84,704.20 is: 126,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,032.20 : 161,756.70 = 84,704.20 : x
  2. Step 2: Convert to fraction form
    108,032.20/161,756.70 = 84,704.20/x
  3. Step 3: Cross multiply
    108,032.20x = 161,756.70 × 84,704.20
  4. Step 4: Simplify right side
    108,032.20x = 13,701,471,868.14
  5. Step 5: Solve for x
    x = 13,701,471,868.14/108,032.20
  6. Step 6: Final answer
    x = 126,827.67

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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.