Home / 227,087.72-313,366.01-136,447.50

Finding the Fourth Proportional to 227,087.72, 313,366.01 and 136,447.50

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Solution

The fourth proportional to 227,087.72, 313,366.01 and 136,447.50 is: 188,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,087.72 : 313,366.01 = 136,447.50 : x
  2. Step 2: Convert to fraction form
    227,087.72/313,366.01 = 136,447.50/x
  3. Step 3: Cross multiply
    227,087.72x = 313,366.01 × 136,447.50
  4. Step 4: Simplify right side
    227,087.72x = 42,758,007,967.24
  5. Step 5: Solve for x
    x = 42,758,007,967.24/227,087.72
  6. Step 6: Final answer
    x = 188,288.51

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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.