Home / 252,112.41-347,913.36-138,935.16

Finding the Fourth Proportional to 252,112.41, 347,913.36 and 138,935.16

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Solution

The fourth proportional to 252,112.41, 347,913.36 and 138,935.16 is: 191,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,112.41 : 347,913.36 = 138,935.16 : x
  2. Step 2: Convert to fraction form
    252,112.41/347,913.36 = 138,935.16/x
  3. Step 3: Cross multiply
    252,112.41x = 347,913.36 × 138,935.16
  4. Step 4: Simplify right side
    252,112.41x = 48,337,398,337.74
  5. Step 5: Solve for x
    x = 48,337,398,337.74/252,112.41
  6. Step 6: Final answer
    x = 191,729.55

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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.