Home / 215,494.20-297,421.20-124,908.12

Finding the Fourth Proportional to 215,494.20, 297,421.20 and 124,908.12

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Solution

The fourth proportional to 215,494.20, 297,421.20 and 124,908.12 is: 172,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,494.20 : 297,421.20 = 124,908.12 : x
  2. Step 2: Convert to fraction form
    215,494.20/297,421.20 = 124,908.12/x
  3. Step 3: Cross multiply
    215,494.20x = 297,421.20 × 124,908.12
  4. Step 4: Simplify right side
    215,494.20x = 37,150,322,940.14
  5. Step 5: Solve for x
    x = 37,150,322,940.14/215,494.20
  6. Step 6: Final answer
    x = 172,395.93

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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.