Home / 145,836.62-218,759.64-45,997.76

Finding the Fourth Proportional to 145,836.62, 218,759.64 and 45,997.76

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Solution

The fourth proportional to 145,836.62, 218,759.64 and 45,997.76 is: 68,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,836.62 : 218,759.64 = 45,997.76 : x
  2. Step 2: Convert to fraction form
    145,836.62/218,759.64 = 45,997.76/x
  3. Step 3: Cross multiply
    145,836.62x = 218,759.64 × 45,997.76
  4. Step 4: Simplify right side
    145,836.62x = 10,062,453,418.41
  5. Step 5: Solve for x
    x = 10,062,453,418.41/145,836.62
  6. Step 6: Final answer
    x = 68,998.13

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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.