Home / 247,948.39-342,144.86-139,057.14

Finding the Fourth Proportional to 247,948.39, 342,144.86 and 139,057.14

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Solution

The fourth proportional to 247,948.39, 342,144.86 and 139,057.14 is: 191,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,948.39 : 342,144.86 = 139,057.14 : x
  2. Step 2: Convert to fraction form
    247,948.39/342,144.86 = 139,057.14/x
  3. Step 3: Cross multiply
    247,948.39x = 342,144.86 × 139,057.14
  4. Step 4: Simplify right side
    247,948.39x = 47,577,685,697.30
  5. Step 5: Solve for x
    x = 47,577,685,697.30/247,948.39
  6. Step 6: Final answer
    x = 191,885.44

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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.