Home / 248,734.02-343,265.12-139,872.62

Finding the Fourth Proportional to 248,734.02, 343,265.12 and 139,872.62

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Solution

The fourth proportional to 248,734.02, 343,265.12 and 139,872.62 is: 193,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,734.02 : 343,265.12 = 139,872.62 : x
  2. Step 2: Convert to fraction form
    248,734.02/343,265.12 = 139,872.62/x
  3. Step 3: Cross multiply
    248,734.02x = 343,265.12 × 139,872.62
  4. Step 4: Simplify right side
    248,734.02x = 48,013,391,689.01
  5. Step 5: Solve for x
    x = 48,013,391,689.01/248,734.02
  6. Step 6: Final answer
    x = 193,031.06

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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.