Home / 154,919.72-232,192.68-79,999.01

Finding the Fourth Proportional to 154,919.72, 232,192.68 and 79,999.01

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Solution

The fourth proportional to 154,919.72, 232,192.68 and 79,999.01 is: 119,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,919.72 : 232,192.68 = 79,999.01 : x
  2. Step 2: Convert to fraction form
    154,919.72/232,192.68 = 79,999.01/x
  3. Step 3: Cross multiply
    154,919.72x = 232,192.68 × 79,999.01
  4. Step 4: Simplify right side
    154,919.72x = 18,575,183,939.01
  5. Step 5: Solve for x
    x = 18,575,183,939.01/154,919.72
  6. Step 6: Final answer
    x = 119,902.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.