Home / 252,489.07-348,442.20-139,319.11

Finding the Fourth Proportional to 252,489.07, 348,442.20 and 139,319.11

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Solution

The fourth proportional to 252,489.07, 348,442.20 and 139,319.11 is: 192,264.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,489.07 : 348,442.20 = 139,319.11 : x
  2. Step 2: Convert to fraction form
    252,489.07/348,442.20 = 139,319.11/x
  3. Step 3: Cross multiply
    252,489.07x = 348,442.20 × 139,319.11
  4. Step 4: Simplify right side
    252,489.07x = 48,544,657,190.44
  5. Step 5: Solve for x
    x = 48,544,657,190.44/252,489.07
  6. Step 6: Final answer
    x = 192,264.39

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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.