Home / 215,752.92-297,742.94-120,249.36

Finding the Fourth Proportional to 215,752.92, 297,742.94 and 120,249.36

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Solution

The fourth proportional to 215,752.92, 297,742.94 and 120,249.36 is: 165,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,752.92 : 297,742.94 = 120,249.36 : x
  2. Step 2: Convert to fraction form
    215,752.92/297,742.94 = 120,249.36/x
  3. Step 3: Cross multiply
    215,752.92x = 297,742.94 × 120,249.36
  4. Step 4: Simplify right side
    215,752.92x = 35,803,397,829.21
  5. Step 5: Solve for x
    x = 35,803,397,829.21/215,752.92
  6. Step 6: Final answer
    x = 165,946.30

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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.