Home / 108,943.14-150,370.11-61,211.88

Finding the Fourth Proportional to 108,943.14, 150,370.11 and 61,211.88

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Solution

The fourth proportional to 108,943.14, 150,370.11 and 61,211.88 is: 84,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.14 : 150,370.11 = 61,211.88 : x
  2. Step 2: Convert to fraction form
    108,943.14/150,370.11 = 61,211.88/x
  3. Step 3: Cross multiply
    108,943.14x = 150,370.11 × 61,211.88
  4. Step 4: Simplify right side
    108,943.14x = 9,204,437,128.91
  5. Step 5: Solve for x
    x = 9,204,437,128.91/108,943.14
  6. Step 6: Final answer
    x = 84,488.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.