Home / 220,743.14-304,588.88-130,086.80

Finding the Fourth Proportional to 220,743.14, 304,588.88 and 130,086.80

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Solution

The fourth proportional to 220,743.14, 304,588.88 and 130,086.80 is: 179,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,743.14 : 304,588.88 = 130,086.80 : x
  2. Step 2: Convert to fraction form
    220,743.14/304,588.88 = 130,086.80/x
  3. Step 3: Cross multiply
    220,743.14x = 304,588.88 × 130,086.80
  4. Step 4: Simplify right side
    220,743.14x = 39,622,990,541.41
  5. Step 5: Solve for x
    x = 39,622,990,541.41/220,743.14
  6. Step 6: Final answer
    x = 179,498.18

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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.