Home / 251,842.25-347,550.83-137,125.34

Finding the Fourth Proportional to 251,842.25, 347,550.83 and 137,125.34

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Solution

The fourth proportional to 251,842.25, 347,550.83 and 137,125.34 is: 189,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,842.25 : 347,550.83 = 137,125.34 : x
  2. Step 2: Convert to fraction form
    251,842.25/347,550.83 = 137,125.34/x
  3. Step 3: Cross multiply
    251,842.25x = 347,550.83 × 137,125.34
  4. Step 4: Simplify right side
    251,842.25x = 47,658,025,125.19
  5. Step 5: Solve for x
    x = 47,658,025,125.19/251,842.25
  6. Step 6: Final answer
    x = 189,237.61

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1.5x scale

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.