Home / 252,040.42-347,815.58-138,863.17

Finding the Fourth Proportional to 252,040.42, 347,815.58 and 138,863.17

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Solution

The fourth proportional to 252,040.42, 347,815.58 and 138,863.17 is: 191,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,040.42 : 347,815.58 = 138,863.17 : x
  2. Step 2: Convert to fraction form
    252,040.42/347,815.58 = 138,863.17/x
  3. Step 3: Cross multiply
    252,040.42x = 347,815.58 × 138,863.17
  4. Step 4: Simplify right side
    252,040.42x = 48,298,774,014.19
  5. Step 5: Solve for x
    x = 48,298,774,014.19/252,040.42
  6. Step 6: Final answer
    x = 191,631.06

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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.