Home / 252,947.86-349,065.57-139,768.18

Finding the Fourth Proportional to 252,947.86, 349,065.57 and 139,768.18

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Solution

The fourth proportional to 252,947.86, 349,065.57 and 139,768.18 is: 192,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,947.86 : 349,065.57 = 139,768.18 : x
  2. Step 2: Convert to fraction form
    252,947.86/349,065.57 = 139,768.18/x
  3. Step 3: Cross multiply
    252,947.86x = 349,065.57 × 139,768.18
  4. Step 4: Simplify right side
    252,947.86x = 48,788,259,419.56
  5. Step 5: Solve for x
    x = 48,788,259,419.56/252,947.86
  6. Step 6: Final answer
    x = 192,878.72

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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.