Home / 108,290.31-149,442.74-59,899.29

Finding the Fourth Proportional to 108,290.31, 149,442.74 and 59,899.29

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Solution

The fourth proportional to 108,290.31, 149,442.74 and 59,899.29 is: 82,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,290.31 : 149,442.74 = 59,899.29 : x
  2. Step 2: Convert to fraction form
    108,290.31/149,442.74 = 59,899.29/x
  3. Step 3: Cross multiply
    108,290.31x = 149,442.74 × 59,899.29
  4. Step 4: Simplify right side
    108,290.31x = 8,951,514,021.65
  5. Step 5: Solve for x
    x = 8,951,514,021.65/108,290.31
  6. Step 6: Final answer
    x = 82,662.19

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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.