Home / 140,914.74-194,463.93-80,493.36

Finding the Fourth Proportional to 140,914.74, 194,463.93 and 80,493.36

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Solution

The fourth proportional to 140,914.74, 194,463.93 and 80,493.36 is: 111,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,914.74 : 194,463.93 = 80,493.36 : x
  2. Step 2: Convert to fraction form
    140,914.74/194,463.93 = 80,493.36/x
  3. Step 3: Cross multiply
    140,914.74x = 194,463.93 × 80,493.36
  4. Step 4: Simplify right side
    140,914.74x = 15,653,055,124.50
  5. Step 5: Solve for x
    x = 15,653,055,124.50/140,914.74
  6. Step 6: Final answer
    x = 111,081.74

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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.