Home / 109,059.40-150,437.82-68,701.96

Finding the Fourth Proportional to 109,059.40, 150,437.82 and 68,701.96

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Solution

The fourth proportional to 109,059.40, 150,437.82 and 68,701.96 is: 94,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,059.40 : 150,437.82 = 68,701.96 : x
  2. Step 2: Convert to fraction form
    109,059.40/150,437.82 = 68,701.96/x
  3. Step 3: Cross multiply
    109,059.40x = 150,437.82 × 68,701.96
  4. Step 4: Simplify right side
    109,059.40x = 10,335,373,092.13
  5. Step 5: Solve for x
    x = 10,335,373,092.13/109,059.40
  6. Step 6: Final answer
    x = 94,768.29

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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.