Home / 252,101.19-347,895.18-137,380.86

Finding the Fourth Proportional to 252,101.19, 347,895.18 and 137,380.86

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Solution

The fourth proportional to 252,101.19, 347,895.18 and 137,380.86 is: 189,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,101.19 : 347,895.18 = 137,380.86 : x
  2. Step 2: Convert to fraction form
    252,101.19/347,895.18 = 137,380.86/x
  3. Step 3: Cross multiply
    252,101.19x = 347,895.18 × 137,380.86
  4. Step 4: Simplify right side
    252,101.19x = 47,794,139,018.25
  5. Step 5: Solve for x
    x = 47,794,139,018.25/252,101.19
  6. Step 6: Final answer
    x = 189,583.16

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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.