Home / 215,439.92-297,300.12-119,943.44

Finding the Fourth Proportional to 215,439.92, 297,300.12 and 119,943.44

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Solution

The fourth proportional to 215,439.92, 297,300.12 and 119,943.44 is: 165,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,439.92 : 297,300.12 = 119,943.44 : x
  2. Step 2: Convert to fraction form
    215,439.92/297,300.12 = 119,943.44/x
  3. Step 3: Cross multiply
    215,439.92x = 297,300.12 × 119,943.44
  4. Step 4: Simplify right side
    215,439.92x = 35,659,199,105.21
  5. Step 5: Solve for x
    x = 35,659,199,105.21/215,439.92
  6. Step 6: Final answer
    x = 165,518.07

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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.