Home / 212,549.40-293,318.48-115,753.46

Finding the Fourth Proportional to 212,549.40, 293,318.48 and 115,753.46

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Solution

The fourth proportional to 212,549.40, 293,318.48 and 115,753.46 is: 159,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,549.40 : 293,318.48 = 115,753.46 : x
  2. Step 2: Convert to fraction form
    212,549.40/293,318.48 = 115,753.46/x
  3. Step 3: Cross multiply
    212,549.40x = 293,318.48 × 115,753.46
  4. Step 4: Simplify right side
    212,549.40x = 33,952,629,414.65
  5. Step 5: Solve for x
    x = 33,952,629,414.65/212,549.40
  6. Step 6: Final answer
    x = 159,739.94

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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.