Home / 108,932.90-150,327.49-61,186.28

Finding the Fourth Proportional to 108,932.90, 150,327.49 and 61,186.28

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Solution

The fourth proportional to 108,932.90, 150,327.49 and 61,186.28 is: 84,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,932.90 : 150,327.49 = 61,186.28 : x
  2. Step 2: Convert to fraction form
    108,932.90/150,327.49 = 61,186.28/x
  3. Step 3: Cross multiply
    108,932.90x = 150,327.49 × 61,186.28
  4. Step 4: Simplify right side
    108,932.90x = 9,197,979,964.72
  5. Step 5: Solve for x
    x = 9,197,979,964.72/108,932.90
  6. Step 6: Final answer
    x = 84,437.12

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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.