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Finding the Fourth Proportional to 160,285.62, 240,450.30 and 66,769.50

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Solution

The fourth proportional to 160,285.62, 240,450.30 and 66,769.50 is: 100,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,285.62 : 240,450.30 = 66,769.50 : x
  2. Step 2: Convert to fraction form
    160,285.62/240,450.30 = 66,769.50/x
  3. Step 3: Cross multiply
    160,285.62x = 240,450.30 × 66,769.50
  4. Step 4: Simplify right side
    160,285.62x = 16,054,746,305.85
  5. Step 5: Solve for x
    x = 16,054,746,305.85/160,285.62
  6. Step 6: Final answer
    x = 100,163.36

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1.5x scale

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.