Home / 220,787.25-304,719.21-130,114.23

Finding the Fourth Proportional to 220,787.25, 304,719.21 and 130,114.23

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Solution

The fourth proportional to 220,787.25, 304,719.21 and 130,114.23 is: 179,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,787.25 : 304,719.21 = 130,114.23 : x
  2. Step 2: Convert to fraction form
    220,787.25/304,719.21 = 130,114.23/x
  3. Step 3: Cross multiply
    220,787.25x = 304,719.21 × 130,114.23
  4. Step 4: Simplify right side
    220,787.25x = 39,648,305,375.36
  5. Step 5: Solve for x
    x = 39,648,305,375.36/220,787.25
  6. Step 6: Final answer
    x = 179,576.97

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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.