Home / 100,084.35-150,126.62-40,920.02

Finding the Fourth Proportional to 100,084.35, 150,126.62 and 40,920.02

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Solution

The fourth proportional to 100,084.35, 150,126.62 and 40,920.02 is: 61,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,084.35 : 150,126.62 = 40,920.02 : x
  2. Step 2: Convert to fraction form
    100,084.35/150,126.62 = 40,920.02/x
  3. Step 3: Cross multiply
    100,084.35x = 150,126.62 × 40,920.02
  4. Step 4: Simplify right side
    100,084.35x = 6,143,183,337.70
  5. Step 5: Solve for x
    x = 6,143,183,337.70/100,084.35
  6. Step 6: Final answer
    x = 61,380.06

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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.