Home / 226,998.81-313,248.15-130,133.21

Finding the Fourth Proportional to 226,998.81, 313,248.15 and 130,133.21

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Solution

The fourth proportional to 226,998.81, 313,248.15 and 130,133.21 is: 179,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,998.81 : 313,248.15 = 130,133.21 : x
  2. Step 2: Convert to fraction form
    226,998.81/313,248.15 = 130,133.21/x
  3. Step 3: Cross multiply
    226,998.81x = 313,248.15 × 130,133.21
  4. Step 4: Simplify right side
    226,998.81x = 40,763,985,719.82
  5. Step 5: Solve for x
    x = 40,763,985,719.82/226,998.81
  6. Step 6: Final answer
    x = 179,577.97

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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.