Home / 146,997.94-202,919.23-99,315.87

Finding the Fourth Proportional to 146,997.94, 202,919.23 and 99,315.87

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Solution

The fourth proportional to 146,997.94, 202,919.23 and 99,315.87 is: 137,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,997.94 : 202,919.23 = 99,315.87 : x
  2. Step 2: Convert to fraction form
    146,997.94/202,919.23 = 99,315.87/x
  3. Step 3: Cross multiply
    146,997.94x = 202,919.23 × 99,315.87
  4. Step 4: Simplify right side
    146,997.94x = 20,153,099,813.15
  5. Step 5: Solve for x
    x = 20,153,099,813.15/146,997.94
  6. Step 6: Final answer
    x = 137,097.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.