Home / 213,138.10-294,237.04-132,591.80

Finding the Fourth Proportional to 213,138.10, 294,237.04 and 132,591.80

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Solution

The fourth proportional to 213,138.10, 294,237.04 and 132,591.80 is: 183,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,138.10 : 294,237.04 = 132,591.80 : x
  2. Step 2: Convert to fraction form
    213,138.10/294,237.04 = 132,591.80/x
  3. Step 3: Cross multiply
    213,138.10x = 294,237.04 × 132,591.80
  4. Step 4: Simplify right side
    213,138.10x = 39,013,418,760.27
  5. Step 5: Solve for x
    x = 39,013,418,760.27/213,138.10
  6. Step 6: Final answer
    x = 183,042.91

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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.