Home / 108,664.29-149,891.94-79,577.19

Finding the Fourth Proportional to 108,664.29, 149,891.94 and 79,577.19

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Solution

The fourth proportional to 108,664.29, 149,891.94 and 79,577.19 is: 109,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.29 : 149,891.94 = 79,577.19 : x
  2. Step 2: Convert to fraction form
    108,664.29/149,891.94 = 79,577.19/x
  3. Step 3: Cross multiply
    108,664.29x = 149,891.94 × 79,577.19
  4. Step 4: Simplify right side
    108,664.29x = 11,927,979,388.85
  5. Step 5: Solve for x
    x = 11,927,979,388.85/108,664.29
  6. Step 6: Final answer
    x = 109,769.08

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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.