Home / 227,087.04-313,365-136,389.12

Finding the Fourth Proportional to 227,087.04, 313,365 and 136,389.12

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Solution

The fourth proportional to 227,087.04, 313,365 and 136,389.12 is: 188,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,087.04 : 313,365 = 136,389.12 : x
  2. Step 2: Convert to fraction form
    227,087.04/313,365 = 136,389.12/x
  3. Step 3: Cross multiply
    227,087.04x = 313,365 × 136,389.12
  4. Step 4: Simplify right side
    227,087.04x = 42,739,576,588.80
  5. Step 5: Solve for x
    x = 42,739,576,588.80/227,087.04
  6. Step 6: Final answer
    x = 188,207.91

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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.