Home / 251,451.24-347,003.45-136,729.95

Finding the Fourth Proportional to 251,451.24, 347,003.45 and 136,729.95

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Solution

The fourth proportional to 251,451.24, 347,003.45 and 136,729.95 is: 188,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,451.24 : 347,003.45 = 136,729.95 : x
  2. Step 2: Convert to fraction form
    251,451.24/347,003.45 = 136,729.95/x
  3. Step 3: Cross multiply
    251,451.24x = 347,003.45 × 136,729.95
  4. Step 4: Simplify right side
    251,451.24x = 47,445,764,368.33
  5. Step 5: Solve for x
    x = 47,445,764,368.33/251,451.24
  6. Step 6: Final answer
    x = 188,687.73

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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.