Home / 140,850.82-194,374.70-76,320.19

Finding the Fourth Proportional to 140,850.82, 194,374.70 and 76,320.19

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Solution

The fourth proportional to 140,850.82, 194,374.70 and 76,320.19 is: 105,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,850.82 : 194,374.70 = 76,320.19 : x
  2. Step 2: Convert to fraction form
    140,850.82/194,374.70 = 76,320.19/x
  3. Step 3: Cross multiply
    140,850.82x = 194,374.70 × 76,320.19
  4. Step 4: Simplify right side
    140,850.82x = 14,834,714,035.19
  5. Step 5: Solve for x
    x = 14,834,714,035.19/140,850.82
  6. Step 6: Final answer
    x = 105,322.17

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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.