Home / 160,436.80-240,650.10-76,257.52

Finding the Fourth Proportional to 160,436.80, 240,650.10 and 76,257.52

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Solution

The fourth proportional to 160,436.80, 240,650.10 and 76,257.52 is: 114,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,436.80 : 240,650.10 = 76,257.52 : x
  2. Step 2: Convert to fraction form
    160,436.80/240,650.10 = 76,257.52/x
  3. Step 3: Cross multiply
    160,436.80x = 240,650.10 × 76,257.52
  4. Step 4: Simplify right side
    160,436.80x = 18,351,379,813.75
  5. Step 5: Solve for x
    x = 18,351,379,813.75/160,436.80
  6. Step 6: Final answer
    x = 114,383.86

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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.