Home / 215,408.14-297,263.11-119,937.39

Finding the Fourth Proportional to 215,408.14, 297,263.11 and 119,937.39

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Solution

The fourth proportional to 215,408.14, 297,263.11 and 119,937.39 is: 165,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,408.14 : 297,263.11 = 119,937.39 : x
  2. Step 2: Convert to fraction form
    215,408.14/297,263.11 = 119,937.39/x
  3. Step 3: Cross multiply
    215,408.14x = 297,263.11 × 119,937.39
  4. Step 4: Simplify right side
    215,408.14x = 35,652,961,556.68
  5. Step 5: Solve for x
    x = 35,652,961,556.68/215,408.14
  6. Step 6: Final answer
    x = 165,513.53

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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.