Home / 187,050.80-280,698.96-68,723.12

Finding the Fourth Proportional to 187,050.80, 280,698.96 and 68,723.12

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Solution

The fourth proportional to 187,050.80, 280,698.96 and 68,723.12 is: 103,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,050.80 : 280,698.96 = 68,723.12 : x
  2. Step 2: Convert to fraction form
    187,050.80/280,698.96 = 68,723.12/x
  3. Step 3: Cross multiply
    187,050.80x = 280,698.96 × 68,723.12
  4. Step 4: Simplify right side
    187,050.80x = 19,290,508,311.96
  5. Step 5: Solve for x
    x = 19,290,508,311.96/187,050.80
  6. Step 6: Final answer
    x = 103,129.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.