Home / 251,768.13-347,447.30-137,054.22

Finding the Fourth Proportional to 251,768.13, 347,447.30 and 137,054.22

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Solution

The fourth proportional to 251,768.13, 347,447.30 and 137,054.22 is: 189,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,768.13 : 347,447.30 = 137,054.22 : x
  2. Step 2: Convert to fraction form
    251,768.13/347,447.30 = 137,054.22/x
  3. Step 3: Cross multiply
    251,768.13x = 347,447.30 × 137,054.22
  4. Step 4: Simplify right side
    251,768.13x = 47,619,118,692.61
  5. Step 5: Solve for x
    x = 47,619,118,692.61/251,768.13
  6. Step 6: Final answer
    x = 189,138.79

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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.