Home / 247,922.15-342,153.32-139,024.76

Finding the Fourth Proportional to 247,922.15, 342,153.32 and 139,024.76

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Solution

The fourth proportional to 247,922.15, 342,153.32 and 139,024.76 is: 191,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,922.15 : 342,153.32 = 139,024.76 : x
  2. Step 2: Convert to fraction form
    247,922.15/342,153.32 = 139,024.76/x
  3. Step 3: Cross multiply
    247,922.15x = 342,153.32 × 139,024.76
  4. Step 4: Simplify right side
    247,922.15x = 47,567,780,790.31
  5. Step 5: Solve for x
    x = 47,567,780,790.31/247,922.15
  6. Step 6: Final answer
    x = 191,865.80

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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.