Home / 247,113.36-341,012.73-139,679.61

Finding the Fourth Proportional to 247,113.36, 341,012.73 and 139,679.61

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Solution

The fourth proportional to 247,113.36, 341,012.73 and 139,679.61 is: 192,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,113.36 : 341,012.73 = 139,679.61 : x
  2. Step 2: Convert to fraction form
    247,113.36/341,012.73 = 139,679.61/x
  3. Step 3: Cross multiply
    247,113.36x = 341,012.73 × 139,679.61
  4. Step 4: Simplify right side
    247,113.36x = 47,632,525,131.44
  5. Step 5: Solve for x
    x = 47,632,525,131.44/247,113.36
  6. Step 6: Final answer
    x = 192,755.77

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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.