Home / 251,769.38-347,446.18-137,051.32

Finding the Fourth Proportional to 251,769.38, 347,446.18 and 137,051.32

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Solution

The fourth proportional to 251,769.38, 347,446.18 and 137,051.32 is: 189,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,769.38 : 347,446.18 = 137,051.32 : x
  2. Step 2: Convert to fraction form
    251,769.38/347,446.18 = 137,051.32/x
  3. Step 3: Cross multiply
    251,769.38x = 347,446.18 × 137,051.32
  4. Step 4: Simplify right side
    251,769.38x = 47,617,958,466.57
  5. Step 5: Solve for x
    x = 47,617,958,466.57/251,769.38
  6. Step 6: Final answer
    x = 189,133.24

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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.