Home / 213,553.20-294,732.90-122,907.45

Finding the Fourth Proportional to 213,553.20, 294,732.90 and 122,907.45

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Solution

The fourth proportional to 213,553.20, 294,732.90 and 122,907.45 is: 169,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,553.20 : 294,732.90 = 122,907.45 : x
  2. Step 2: Convert to fraction form
    213,553.20/294,732.90 = 122,907.45/x
  3. Step 3: Cross multiply
    213,553.20x = 294,732.90 × 122,907.45
  4. Step 4: Simplify right side
    213,553.20x = 36,224,869,170.11
  5. Step 5: Solve for x
    x = 36,224,869,170.11/213,553.20
  6. Step 6: Final answer
    x = 169,629.25

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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.