Home / 215,512.16-297,401.94-120,027.74

Finding the Fourth Proportional to 215,512.16, 297,401.94 and 120,027.74

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Solution

The fourth proportional to 215,512.16, 297,401.94 and 120,027.74 is: 165,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,512.16 : 297,401.94 = 120,027.74 : x
  2. Step 2: Convert to fraction form
    215,512.16/297,401.94 = 120,027.74/x
  3. Step 3: Cross multiply
    215,512.16x = 297,401.94 × 120,027.74
  4. Step 4: Simplify right side
    215,512.16x = 35,696,481,242.81
  5. Step 5: Solve for x
    x = 35,696,481,242.81/215,512.16
  6. Step 6: Final answer
    x = 165,635.58

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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.