Home / 252,278.21-348,142.05-137,558.82

Finding the Fourth Proportional to 252,278.21, 348,142.05 and 137,558.82

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Solution

The fourth proportional to 252,278.21, 348,142.05 and 137,558.82 is: 189,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,278.21 : 348,142.05 = 137,558.82 : x
  2. Step 2: Convert to fraction form
    252,278.21/348,142.05 = 137,558.82/x
  3. Step 3: Cross multiply
    252,278.21x = 348,142.05 × 137,558.82
  4. Step 4: Simplify right side
    252,278.21x = 47,890,010,895.91
  5. Step 5: Solve for x
    x = 47,890,010,895.91/252,278.21
  6. Step 6: Final answer
    x = 189,830.15

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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.