Home / 146,621.76-202,337.89-79,553.76

Finding the Fourth Proportional to 146,621.76, 202,337.89 and 79,553.76

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Solution

The fourth proportional to 146,621.76, 202,337.89 and 79,553.76 is: 109,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,621.76 : 202,337.89 = 79,553.76 : x
  2. Step 2: Convert to fraction form
    146,621.76/202,337.89 = 79,553.76/x
  3. Step 3: Cross multiply
    146,621.76x = 202,337.89 × 79,553.76
  4. Step 4: Simplify right side
    146,621.76x = 16,096,739,939.97
  5. Step 5: Solve for x
    x = 16,096,739,939.97/146,621.76
  6. Step 6: Final answer
    x = 109,784.11

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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.