Home / 108,476.09-149,679.17-68,161.29

Finding the Fourth Proportional to 108,476.09, 149,679.17 and 68,161.29

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Solution

The fourth proportional to 108,476.09, 149,679.17 and 68,161.29 is: 94,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,476.09 : 149,679.17 = 68,161.29 : x
  2. Step 2: Convert to fraction form
    108,476.09/149,679.17 = 68,161.29/x
  3. Step 3: Cross multiply
    108,476.09x = 149,679.17 × 68,161.29
  4. Step 4: Simplify right side
    108,476.09x = 10,202,324,972.52
  5. Step 5: Solve for x
    x = 10,202,324,972.52/108,476.09
  6. Step 6: Final answer
    x = 94,051.38

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1.5x scale

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.