Home / 160,285.12-240,449.55-66,769

Finding the Fourth Proportional to 160,285.12, 240,449.55 and 66,769

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Solution

The fourth proportional to 160,285.12, 240,449.55 and 66,769 is: 100,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,285.12 : 240,449.55 = 66,769 : x
  2. Step 2: Convert to fraction form
    160,285.12/240,449.55 = 66,769/x
  3. Step 3: Cross multiply
    160,285.12x = 240,449.55 × 66,769
  4. Step 4: Simplify right side
    160,285.12x = 16,054,576,003.95
  5. Step 5: Solve for x
    x = 16,054,576,003.95/160,285.12
  6. Step 6: Final answer
    x = 100,162.61

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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.