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Finding the Fourth Proportional to 146,711.64, 202,463.10 and 79,643.64

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Solution

The fourth proportional to 146,711.64, 202,463.10 and 79,643.64 is: 109,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,711.64 : 202,463.10 = 79,643.64 : x
  2. Step 2: Convert to fraction form
    146,711.64/202,463.10 = 79,643.64/x
  3. Step 3: Cross multiply
    146,711.64x = 202,463.10 × 79,643.64
  4. Step 4: Simplify right side
    146,711.64x = 16,124,898,249.68
  5. Step 5: Solve for x
    x = 16,124,898,249.68/146,711.64
  6. Step 6: Final answer
    x = 109,908.79

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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.