Home / 237,836.76-328,224.78-135,879

Finding the Fourth Proportional to 237,836.76, 328,224.78 and 135,879

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Solution

The fourth proportional to 237,836.76, 328,224.78 and 135,879 is: 187,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,836.76 : 328,224.78 = 135,879 : x
  2. Step 2: Convert to fraction form
    237,836.76/328,224.78 = 135,879/x
  3. Step 3: Cross multiply
    237,836.76x = 328,224.78 × 135,879
  4. Step 4: Simplify right side
    237,836.76x = 44,598,854,881.62
  5. Step 5: Solve for x
    x = 44,598,854,881.62/237,836.76
  6. Step 6: Final answer
    x = 187,518.76

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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.