Home / 108,165.30-149,057.24-77,893.43

Finding the Fourth Proportional to 108,165.30, 149,057.24 and 77,893.43

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Solution

The fourth proportional to 108,165.30, 149,057.24 and 77,893.43 is: 107,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,165.30 : 149,057.24 = 77,893.43 : x
  2. Step 2: Convert to fraction form
    108,165.30/149,057.24 = 77,893.43/x
  3. Step 3: Cross multiply
    108,165.30x = 149,057.24 × 77,893.43
  4. Step 4: Simplify right side
    108,165.30x = 11,610,578,555.18
  5. Step 5: Solve for x
    x = 11,610,578,555.18/108,165.30
  6. Step 6: Final answer
    x = 107,341.07

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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.