Home / 203,772.10-305,888.55-157,231.30

Finding the Fourth Proportional to 203,772.10, 305,888.55 and 157,231.30

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Solution

The fourth proportional to 203,772.10, 305,888.55 and 157,231.30 is: 236,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,772.10 : 305,888.55 = 157,231.30 : x
  2. Step 2: Convert to fraction form
    203,772.10/305,888.55 = 157,231.30/x
  3. Step 3: Cross multiply
    203,772.10x = 305,888.55 × 157,231.30
  4. Step 4: Simplify right side
    203,772.10x = 48,095,254,371.62
  5. Step 5: Solve for x
    x = 48,095,254,371.62/203,772.10
  6. Step 6: Final answer
    x = 236,024.73

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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.