Home / 215,664.46-297,616.97-125,072.98

Finding the Fourth Proportional to 215,664.46, 297,616.97 and 125,072.98

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Solution

The fourth proportional to 215,664.46, 297,616.97 and 125,072.98 is: 172,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,664.46 : 297,616.97 = 125,072.98 : x
  2. Step 2: Convert to fraction form
    215,664.46/297,616.97 = 125,072.98/x
  3. Step 3: Cross multiply
    215,664.46x = 297,616.97 × 125,072.98
  4. Step 4: Simplify right side
    215,664.46x = 37,223,841,336.47
  5. Step 5: Solve for x
    x = 37,223,841,336.47/215,664.46
  6. Step 6: Final answer
    x = 172,600.72

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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.