Home / 247,205.78-341,151.18-139,773.52

Finding the Fourth Proportional to 247,205.78, 341,151.18 and 139,773.52

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Solution

The fourth proportional to 247,205.78, 341,151.18 and 139,773.52 is: 192,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,205.78 : 341,151.18 = 139,773.52 : x
  2. Step 2: Convert to fraction form
    247,205.78/341,151.18 = 139,773.52/x
  3. Step 3: Cross multiply
    247,205.78x = 341,151.18 × 139,773.52
  4. Step 4: Simplify right side
    247,205.78x = 47,683,901,280.75
  5. Step 5: Solve for x
    x = 47,683,901,280.75/247,205.78
  6. Step 6: Final answer
    x = 192,891.53

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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.