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Finding the Fourth Proportional to 146,369.92, 201,990.45 and 79,301.92

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Solution

The fourth proportional to 146,369.92, 201,990.45 and 79,301.92 is: 109,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,369.92 : 201,990.45 = 79,301.92 : x
  2. Step 2: Convert to fraction form
    146,369.92/201,990.45 = 79,301.92/x
  3. Step 3: Cross multiply
    146,369.92x = 201,990.45 × 79,301.92
  4. Step 4: Simplify right side
    146,369.92x = 16,018,230,506.66
  5. Step 5: Solve for x
    x = 16,018,230,506.66/146,369.92
  6. Step 6: Final answer
    x = 109,436.63

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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.