Home / 108,172.82-149,278.49-60,426.17

Finding the Fourth Proportional to 108,172.82, 149,278.49 and 60,426.17

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Solution

The fourth proportional to 108,172.82, 149,278.49 and 60,426.17 is: 83,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172.82 : 149,278.49 = 60,426.17 : x
  2. Step 2: Convert to fraction form
    108,172.82/149,278.49 = 60,426.17/x
  3. Step 3: Cross multiply
    108,172.82x = 149,278.49 × 60,426.17
  4. Step 4: Simplify right side
    108,172.82x = 9,020,326,365.56
  5. Step 5: Solve for x
    x = 9,020,326,365.56/108,172.82
  6. Step 6: Final answer
    x = 83,388.11

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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.