Home / 215,532.08-297,434.60-124,905.43

Finding the Fourth Proportional to 215,532.08, 297,434.60 and 124,905.43

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Solution

The fourth proportional to 215,532.08, 297,434.60 and 124,905.43 is: 172,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,532.08 : 297,434.60 = 124,905.43 : x
  2. Step 2: Convert to fraction form
    215,532.08/297,434.60 = 124,905.43/x
  3. Step 3: Cross multiply
    215,532.08x = 297,434.60 × 124,905.43
  4. Step 4: Simplify right side
    215,532.08x = 37,151,196,609.88
  5. Step 5: Solve for x
    x = 37,151,196,609.88/215,532.08
  6. Step 6: Final answer
    x = 172,369.68

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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.