Home / 109,236.82-163,872.51-39,114.58

Finding the Fourth Proportional to 109,236.82, 163,872.51 and 39,114.58

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Solution

The fourth proportional to 109,236.82, 163,872.51 and 39,114.58 is: 58,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,236.82 : 163,872.51 = 39,114.58 : x
  2. Step 2: Convert to fraction form
    109,236.82/163,872.51 = 39,114.58/x
  3. Step 3: Cross multiply
    109,236.82x = 163,872.51 × 39,114.58
  4. Step 4: Simplify right side
    109,236.82x = 6,409,804,402.20
  5. Step 5: Solve for x
    x = 6,409,804,402.20/109,236.82
  6. Step 6: Final answer
    x = 58,678.06

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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.