Home / 108,487.14-149,694.34-68,172.32

Finding the Fourth Proportional to 108,487.14, 149,694.34 and 68,172.32

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Solution

The fourth proportional to 108,487.14, 149,694.34 and 68,172.32 is: 94,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,487.14 : 149,694.34 = 68,172.32 : x
  2. Step 2: Convert to fraction form
    108,487.14/149,694.34 = 68,172.32/x
  3. Step 3: Cross multiply
    108,487.14x = 149,694.34 × 68,172.32
  4. Step 4: Simplify right side
    108,487.14x = 10,205,010,448.67
  5. Step 5: Solve for x
    x = 10,205,010,448.67/108,487.14
  6. Step 6: Final answer
    x = 94,066.55

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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.