Home / 140,837.28-194,355.42-84,261.96

Finding the Fourth Proportional to 140,837.28, 194,355.42 and 84,261.96

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Solution

The fourth proportional to 140,837.28, 194,355.42 and 84,261.96 is: 116,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,837.28 : 194,355.42 = 84,261.96 : x
  2. Step 2: Convert to fraction form
    140,837.28/194,355.42 = 84,261.96/x
  3. Step 3: Cross multiply
    140,837.28x = 194,355.42 × 84,261.96
  4. Step 4: Simplify right side
    140,837.28x = 16,376,768,625.82
  5. Step 5: Solve for x
    x = 16,376,768,625.82/140,837.28
  6. Step 6: Final answer
    x = 116,281.49

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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.