Home / 108,372.20-162,536.70-52,212.20

Finding the Fourth Proportional to 108,372.20, 162,536.70 and 52,212.20

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Solution

The fourth proportional to 108,372.20, 162,536.70 and 52,212.20 is: 78,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,372.20 : 162,536.70 = 52,212.20 : x
  2. Step 2: Convert to fraction form
    108,372.20/162,536.70 = 52,212.20/x
  3. Step 3: Cross multiply
    108,372.20x = 162,536.70 × 52,212.20
  4. Step 4: Simplify right side
    108,372.20x = 8,486,398,687.74
  5. Step 5: Solve for x
    x = 8,486,398,687.74/108,372.20
  6. Step 6: Final answer
    x = 78,307.89

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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.