Home / 227,022.72-313,179.12-136,335.12

Finding the Fourth Proportional to 227,022.72, 313,179.12 and 136,335.12

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Solution

The fourth proportional to 227,022.72, 313,179.12 and 136,335.12 is: 188,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,022.72 : 313,179.12 = 136,335.12 : x
  2. Step 2: Convert to fraction form
    227,022.72/313,179.12 = 136,335.12/x
  3. Step 3: Cross multiply
    227,022.72x = 313,179.12 × 136,335.12
  4. Step 4: Simplify right side
    227,022.72x = 42,697,312,906.69
  5. Step 5: Solve for x
    x = 42,697,312,906.69/227,022.72
  6. Step 6: Final answer
    x = 188,075.07

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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.