Home / 207,900.50-286,778.81-131,284.42

Finding the Fourth Proportional to 207,900.50, 286,778.81 and 131,284.42

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Solution

The fourth proportional to 207,900.50, 286,778.81 and 131,284.42 is: 181,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900.50 : 286,778.81 = 131,284.42 : x
  2. Step 2: Convert to fraction form
    207,900.50/286,778.81 = 131,284.42/x
  3. Step 3: Cross multiply
    207,900.50x = 286,778.81 × 131,284.42
  4. Step 4: Simplify right side
    207,900.50x = 37,649,589,350.40
  5. Step 5: Solve for x
    x = 37,649,589,350.40/207,900.50
  6. Step 6: Final answer
    x = 181,094.27

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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.