Home / 140,576.80-210,631.92-98,936.32

Finding the Fourth Proportional to 140,576.80, 210,631.92 and 98,936.32

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Solution

The fourth proportional to 140,576.80, 210,631.92 and 98,936.32 is: 148,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,576.80 : 210,631.92 = 98,936.32 : x
  2. Step 2: Convert to fraction form
    140,576.80/210,631.92 = 98,936.32/x
  3. Step 3: Cross multiply
    140,576.80x = 210,631.92 × 98,936.32
  4. Step 4: Simplify right side
    140,576.80x = 20,839,147,039.33
  5. Step 5: Solve for x
    x = 20,839,147,039.33/140,576.80
  6. Step 6: Final answer
    x = 148,240.30

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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.