Home / 252,126.83-347,935.03-138,949.58

Finding the Fourth Proportional to 252,126.83, 347,935.03 and 138,949.58

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Solution

The fourth proportional to 252,126.83, 347,935.03 and 138,949.58 is: 191,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,126.83 : 347,935.03 = 138,949.58 : x
  2. Step 2: Convert to fraction form
    252,126.83/347,935.03 = 138,949.58/x
  3. Step 3: Cross multiply
    252,126.83x = 347,935.03 × 138,949.58
  4. Step 4: Simplify right side
    252,126.83x = 48,345,426,808.25
  5. Step 5: Solve for x
    x = 48,345,426,808.25/252,126.83
  6. Step 6: Final answer
    x = 191,750.42

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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.