Home / 140,014.24-209,936.88-55,787.38

Finding the Fourth Proportional to 140,014.24, 209,936.88 and 55,787.38

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Solution

The fourth proportional to 140,014.24, 209,936.88 and 55,787.38 is: 83,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,014.24 : 209,936.88 = 55,787.38 : x
  2. Step 2: Convert to fraction form
    140,014.24/209,936.88 = 55,787.38/x
  3. Step 3: Cross multiply
    140,014.24x = 209,936.88 × 55,787.38
  4. Step 4: Simplify right side
    140,014.24x = 11,711,828,500.57
  5. Step 5: Solve for x
    x = 11,711,828,500.57/140,014.24
  6. Step 6: Final answer
    x = 83,647.41

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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.