Home / 237,739.50-356,363.55-79,914.78

Finding the Fourth Proportional to 237,739.50, 356,363.55 and 79,914.78

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Solution

The fourth proportional to 237,739.50, 356,363.55 and 79,914.78 is: 119,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,739.50 : 356,363.55 = 79,914.78 : x
  2. Step 2: Convert to fraction form
    237,739.50/356,363.55 = 79,914.78/x
  3. Step 3: Cross multiply
    237,739.50x = 356,363.55 × 79,914.78
  4. Step 4: Simplify right side
    237,739.50x = 28,478,714,698.27
  5. Step 5: Solve for x
    x = 28,478,714,698.27/237,739.50
  6. Step 6: Final answer
    x = 119,789.58

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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.