Home / 215,080.62-296,814.68-118,288.70

Finding the Fourth Proportional to 215,080.62, 296,814.68 and 118,288.70

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Solution

The fourth proportional to 215,080.62, 296,814.68 and 118,288.70 is: 163,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,080.62 : 296,814.68 = 118,288.70 : x
  2. Step 2: Convert to fraction form
    215,080.62/296,814.68 = 118,288.70/x
  3. Step 3: Cross multiply
    215,080.62x = 296,814.68 × 118,288.70
  4. Step 4: Simplify right side
    215,080.62x = 35,109,823,788.82
  5. Step 5: Solve for x
    x = 35,109,823,788.82/215,080.62
  6. Step 6: Final answer
    x = 163,240.30

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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.