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Finding the Fourth Proportional to 146,381.56, 202,007.28 and 79,313.56

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Solution

The fourth proportional to 146,381.56, 202,007.28 and 79,313.56 is: 109,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,381.56 : 202,007.28 = 79,313.56 : x
  2. Step 2: Convert to fraction form
    146,381.56/202,007.28 = 79,313.56/x
  3. Step 3: Cross multiply
    146,381.56x = 202,007.28 × 79,313.56
  4. Step 4: Simplify right side
    146,381.56x = 16,021,916,522.72
  5. Step 5: Solve for x
    x = 16,021,916,522.72/146,381.56
  6. Step 6: Final answer
    x = 109,453.11

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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.