Home / 108,028.88-161,810.04-105,385.04

Finding the Fourth Proportional to 108,028.88, 161,810.04 and 105,385.04

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Solution

The fourth proportional to 108,028.88, 161,810.04 and 105,385.04 is: 157,849.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,028.88 : 161,810.04 = 105,385.04 : x
  2. Step 2: Convert to fraction form
    108,028.88/161,810.04 = 105,385.04/x
  3. Step 3: Cross multiply
    108,028.88x = 161,810.04 × 105,385.04
  4. Step 4: Simplify right side
    108,028.88x = 17,052,357,537.80
  5. Step 5: Solve for x
    x = 17,052,357,537.80/108,028.88
  6. Step 6: Final answer
    x = 157,849.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.