Home / 207,108.20-285,810.98-115,228.83

Finding the Fourth Proportional to 207,108.20, 285,810.98 and 115,228.83

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Solution

The fourth proportional to 207,108.20, 285,810.98 and 115,228.83 is: 159,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,108.20 : 285,810.98 = 115,228.83 : x
  2. Step 2: Convert to fraction form
    207,108.20/285,810.98 = 115,228.83/x
  3. Step 3: Cross multiply
    207,108.20x = 285,810.98 × 115,228.83
  4. Step 4: Simplify right side
    207,108.20x = 32,933,664,250.41
  5. Step 5: Solve for x
    x = 32,933,664,250.41/207,108.20
  6. Step 6: Final answer
    x = 159,016.71

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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.