Home / 146,384.38-202,010.58-79,316.38

Finding the Fourth Proportional to 146,384.38, 202,010.58 and 79,316.38

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Solution

The fourth proportional to 146,384.38, 202,010.58 and 79,316.38 is: 109,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,384.38 : 202,010.58 = 79,316.38 : x
  2. Step 2: Convert to fraction form
    146,384.38/202,010.58 = 79,316.38/x
  3. Step 3: Cross multiply
    146,384.38x = 202,010.58 × 79,316.38
  4. Step 4: Simplify right side
    146,384.38x = 16,022,747,927.30
  5. Step 5: Solve for x
    x = 16,022,747,927.30/146,384.38
  6. Step 6: Final answer
    x = 109,456.68

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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.