Home / 223,983.27-309,096.99-123,381.27

Finding the Fourth Proportional to 223,983.27, 309,096.99 and 123,381.27

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Solution

The fourth proportional to 223,983.27, 309,096.99 and 123,381.27 is: 170,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,983.27 : 309,096.99 = 123,381.27 : x
  2. Step 2: Convert to fraction form
    223,983.27/309,096.99 = 123,381.27/x
  3. Step 3: Cross multiply
    223,983.27x = 309,096.99 × 123,381.27
  4. Step 4: Simplify right side
    223,983.27x = 38,136,779,179.38
  5. Step 5: Solve for x
    x = 38,136,779,179.38/223,983.27
  6. Step 6: Final answer
    x = 170,266.20

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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.