Home / 250,234.80-345,328.44-137,050.20

Finding the Fourth Proportional to 250,234.80, 345,328.44 and 137,050.20

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Solution

The fourth proportional to 250,234.80, 345,328.44 and 137,050.20 is: 189,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,234.80 : 345,328.44 = 137,050.20 : x
  2. Step 2: Convert to fraction form
    250,234.80/345,328.44 = 137,050.20/x
  3. Step 3: Cross multiply
    250,234.80x = 345,328.44 × 137,050.20
  4. Step 4: Simplify right side
    250,234.80x = 47,327,331,767.69
  5. Step 5: Solve for x
    x = 47,327,331,767.69/250,234.80
  6. Step 6: Final answer
    x = 189,131.69

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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.