Home / 220,827.10-304,639.50-130,121.14

Finding the Fourth Proportional to 220,827.10, 304,639.50 and 130,121.14

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Solution

The fourth proportional to 220,827.10, 304,639.50 and 130,121.14 is: 179,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,827.10 : 304,639.50 = 130,121.14 : x
  2. Step 2: Convert to fraction form
    220,827.10/304,639.50 = 130,121.14/x
  3. Step 3: Cross multiply
    220,827.10x = 304,639.50 × 130,121.14
  4. Step 4: Simplify right side
    220,827.10x = 39,640,039,029.03
  5. Step 5: Solve for x
    x = 39,640,039,029.03/220,827.10
  6. Step 6: Final answer
    x = 179,507.13

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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.