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Finding the Fourth Proportional to 146,384.88, 202,005.72 and 79,315.44

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Solution

The fourth proportional to 146,384.88, 202,005.72 and 79,315.44 is: 109,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,384.88 : 202,005.72 = 79,315.44 : x
  2. Step 2: Convert to fraction form
    146,384.88/202,005.72 = 79,315.44/x
  3. Step 3: Cross multiply
    146,384.88x = 202,005.72 × 79,315.44
  4. Step 4: Simplify right side
    146,384.88x = 16,022,172,564.32
  5. Step 5: Solve for x
    x = 16,022,172,564.32/146,384.88
  6. Step 6: Final answer
    x = 109,452.37

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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.