Home / 251,835.44-347,531.76-137,120.58

Finding the Fourth Proportional to 251,835.44, 347,531.76 and 137,120.58

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Solution

The fourth proportional to 251,835.44, 347,531.76 and 137,120.58 is: 189,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,835.44 : 347,531.76 = 137,120.58 : x
  2. Step 2: Convert to fraction form
    251,835.44/347,531.76 = 137,120.58/x
  3. Step 3: Cross multiply
    251,835.44x = 347,531.76 × 137,120.58
  4. Step 4: Simplify right side
    251,835.44x = 47,653,756,499.62
  5. Step 5: Solve for x
    x = 47,653,756,499.62/251,835.44
  6. Step 6: Final answer
    x = 189,225.78

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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.