Home / 252,151.61-347,964.66-137,431.31

Finding the Fourth Proportional to 252,151.61, 347,964.66 and 137,431.31

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Solution

The fourth proportional to 252,151.61, 347,964.66 and 137,431.31 is: 189,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,151.61 : 347,964.66 = 137,431.31 : x
  2. Step 2: Convert to fraction form
    252,151.61/347,964.66 = 137,431.31/x
  3. Step 3: Cross multiply
    252,151.61x = 347,964.66 × 137,431.31
  4. Step 4: Simplify right side
    252,151.61x = 47,821,239,057.50
  5. Step 5: Solve for x
    x = 47,821,239,057.50/252,151.61
  6. Step 6: Final answer
    x = 189,652.72

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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.