Home / 215,937.17-297,992.52-120,443.79

Finding the Fourth Proportional to 215,937.17, 297,992.52 and 120,443.79

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Solution

The fourth proportional to 215,937.17, 297,992.52 and 120,443.79 is: 166,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,937.17 : 297,992.52 = 120,443.79 : x
  2. Step 2: Convert to fraction form
    215,937.17/297,992.52 = 120,443.79/x
  3. Step 3: Cross multiply
    215,937.17x = 297,992.52 × 120,443.79
  4. Step 4: Simplify right side
    215,937.17x = 35,891,348,500.45
  5. Step 5: Solve for x
    x = 35,891,348,500.45/215,937.17
  6. Step 6: Final answer
    x = 166,212.00

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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.