Home / 215,837.17-297,844.36-120,325.39

Finding the Fourth Proportional to 215,837.17, 297,844.36 and 120,325.39

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Solution

The fourth proportional to 215,837.17, 297,844.36 and 120,325.39 is: 166,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,837.17 : 297,844.36 = 120,325.39 : x
  2. Step 2: Convert to fraction form
    215,837.17/297,844.36 = 120,325.39/x
  3. Step 3: Cross multiply
    215,837.17x = 297,844.36 × 120,325.39
  4. Step 4: Simplify right side
    215,837.17x = 35,838,238,776.30
  5. Step 5: Solve for x
    x = 35,838,238,776.30/215,837.17
  6. Step 6: Final answer
    x = 166,042.94

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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.