Home / 160,441.92-240,433.26-90,173.61

Finding the Fourth Proportional to 160,441.92, 240,433.26 and 90,173.61

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Solution

The fourth proportional to 160,441.92, 240,433.26 and 90,173.61 is: 135,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,441.92 : 240,433.26 = 90,173.61 : x
  2. Step 2: Convert to fraction form
    160,441.92/240,433.26 = 90,173.61/x
  3. Step 3: Cross multiply
    160,441.92x = 240,433.26 × 90,173.61
  4. Step 4: Simplify right side
    160,441.92x = 21,680,735,018.27
  5. Step 5: Solve for x
    x = 21,680,735,018.27/160,441.92
  6. Step 6: Final answer
    x = 135,131.36

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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.