Home / 215,550.24-297,451.62-120,051.78

Finding the Fourth Proportional to 215,550.24, 297,451.62 and 120,051.78

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Solution

The fourth proportional to 215,550.24, 297,451.62 and 120,051.78 is: 165,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,550.24 : 297,451.62 = 120,051.78 : x
  2. Step 2: Convert to fraction form
    215,550.24/297,451.62 = 120,051.78/x
  3. Step 3: Cross multiply
    215,550.24x = 297,451.62 × 120,051.78
  4. Step 4: Simplify right side
    215,550.24x = 35,709,596,444.88
  5. Step 5: Solve for x
    x = 35,709,596,444.88/215,550.24
  6. Step 6: Final answer
    x = 165,667.16

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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.