Home / 227,451.40-313,897.64-131,990.20

Finding the Fourth Proportional to 227,451.40, 313,897.64 and 131,990.20

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Solution

The fourth proportional to 227,451.40, 313,897.64 and 131,990.20 is: 182,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,451.40 : 313,897.64 = 131,990.20 : x
  2. Step 2: Convert to fraction form
    227,451.40/313,897.64 = 131,990.20/x
  3. Step 3: Cross multiply
    227,451.40x = 313,897.64 × 131,990.20
  4. Step 4: Simplify right side
    227,451.40x = 41,431,412,283.13
  5. Step 5: Solve for x
    x = 41,431,412,283.13/227,451.40
  6. Step 6: Final answer
    x = 182,155.01

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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.