Home / 222,140.51-306,429.31-136,141.16

Finding the Fourth Proportional to 222,140.51, 306,429.31 and 136,141.16

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Solution

The fourth proportional to 222,140.51, 306,429.31 and 136,141.16 is: 187,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,140.51 : 306,429.31 = 136,141.16 : x
  2. Step 2: Convert to fraction form
    222,140.51/306,429.31 = 136,141.16/x
  3. Step 3: Cross multiply
    222,140.51x = 306,429.31 × 136,141.16
  4. Step 4: Simplify right side
    222,140.51x = 41,717,640,359.43
  5. Step 5: Solve for x
    x = 41,717,640,359.43/222,140.51
  6. Step 6: Final answer
    x = 187,798.44

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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.