Home / 250,372.54-345,502.83-137,192.86

Finding the Fourth Proportional to 250,372.54, 345,502.83 and 137,192.86

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Solution

The fourth proportional to 250,372.54, 345,502.83 and 137,192.86 is: 189,319.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,372.54 : 345,502.83 = 137,192.86 : x
  2. Step 2: Convert to fraction form
    250,372.54/345,502.83 = 137,192.86/x
  3. Step 3: Cross multiply
    250,372.54x = 345,502.83 × 137,192.86
  4. Step 4: Simplify right side
    250,372.54x = 47,400,521,385.79
  5. Step 5: Solve for x
    x = 47,400,521,385.79/250,372.54
  6. Step 6: Final answer
    x = 189,319.97

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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.