Home / 252,835.16-348,894.78-139,649

Finding the Fourth Proportional to 252,835.16, 348,894.78 and 139,649

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Solution

The fourth proportional to 252,835.16, 348,894.78 and 139,649 is: 192,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,835.16 : 348,894.78 = 139,649 : x
  2. Step 2: Convert to fraction form
    252,835.16/348,894.78 = 139,649/x
  3. Step 3: Cross multiply
    252,835.16x = 348,894.78 × 139,649
  4. Step 4: Simplify right side
    252,835.16x = 48,722,807,132.22
  5. Step 5: Solve for x
    x = 48,722,807,132.22/252,835.16
  6. Step 6: Final answer
    x = 192,705.82

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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.