Home / 108,887.58-150,154.35-102,537.90

Finding the Fourth Proportional to 108,887.58, 150,154.35 and 102,537.90

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Solution

The fourth proportional to 108,887.58, 150,154.35 and 102,537.90 is: 141,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,887.58 : 150,154.35 = 102,537.90 : x
  2. Step 2: Convert to fraction form
    108,887.58/150,154.35 = 102,537.90/x
  3. Step 3: Cross multiply
    108,887.58x = 150,154.35 × 102,537.90
  4. Step 4: Simplify right side
    108,887.58x = 15,396,511,724.87
  5. Step 5: Solve for x
    x = 15,396,511,724.87/108,887.58
  6. Step 6: Final answer
    x = 141,398.24

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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.