Home / 220,743.13-304,588.87-130,086.79

Finding the Fourth Proportional to 220,743.13, 304,588.87 and 130,086.79

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Solution

The fourth proportional to 220,743.13, 304,588.87 and 130,086.79 is: 179,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,743.13 : 304,588.87 = 130,086.79 : x
  2. Step 2: Convert to fraction form
    220,743.13/304,588.87 = 130,086.79/x
  3. Step 3: Cross multiply
    220,743.13x = 304,588.87 × 130,086.79
  4. Step 4: Simplify right side
    220,743.13x = 39,622,988,368.03
  5. Step 5: Solve for x
    x = 39,622,988,368.03/220,743.13
  6. Step 6: Final answer
    x = 179,498.17

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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.