Home / 251,756.96-347,424.60-137,036.04

Finding the Fourth Proportional to 251,756.96, 347,424.60 and 137,036.04

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Solution

The fourth proportional to 251,756.96, 347,424.60 and 137,036.04 is: 189,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,756.96 : 347,424.60 = 137,036.04 : x
  2. Step 2: Convert to fraction form
    251,756.96/347,424.60 = 137,036.04/x
  3. Step 3: Cross multiply
    251,756.96x = 347,424.60 × 137,036.04
  4. Step 4: Simplify right side
    251,756.96x = 47,609,691,382.58
  5. Step 5: Solve for x
    x = 47,609,691,382.58/251,756.96
  6. Step 6: Final answer
    x = 189,109.73

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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.