Home / 247,245.21-341,196.30-139,814.91

Finding the Fourth Proportional to 247,245.21, 341,196.30 and 139,814.91

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Solution

The fourth proportional to 247,245.21, 341,196.30 and 139,814.91 is: 192,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,245.21 : 341,196.30 = 139,814.91 : x
  2. Step 2: Convert to fraction form
    247,245.21/341,196.30 = 139,814.91/x
  3. Step 3: Cross multiply
    247,245.21x = 341,196.30 × 139,814.91
  4. Step 4: Simplify right side
    247,245.21x = 47,704,329,976.83
  5. Step 5: Solve for x
    x = 47,704,329,976.83/247,245.21
  6. Step 6: Final answer
    x = 192,943.39

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1.5x scale

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.