Home / 248,734.46-343,265.72-139,873.05

Finding the Fourth Proportional to 248,734.46, 343,265.72 and 139,873.05

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Solution

The fourth proportional to 248,734.46, 343,265.72 and 139,873.05 is: 193,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,734.46 : 343,265.72 = 139,873.05 : x
  2. Step 2: Convert to fraction form
    248,734.46/343,265.72 = 139,873.05/x
  3. Step 3: Cross multiply
    248,734.46x = 343,265.72 × 139,873.05
  4. Step 4: Simplify right side
    248,734.46x = 48,013,623,216.85
  5. Step 5: Solve for x
    x = 48,013,623,216.85/248,734.46
  6. Step 6: Final answer
    x = 193,031.65

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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.