Home / 215,208.64-296,953.68-119,715.04

Finding the Fourth Proportional to 215,208.64, 296,953.68 and 119,715.04

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Solution

The fourth proportional to 215,208.64, 296,953.68 and 119,715.04 is: 165,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,208.64 : 296,953.68 = 119,715.04 : x
  2. Step 2: Convert to fraction form
    215,208.64/296,953.68 = 119,715.04/x
  3. Step 3: Cross multiply
    215,208.64x = 296,953.68 × 119,715.04
  4. Step 4: Simplify right side
    215,208.64x = 35,549,821,679.35
  5. Step 5: Solve for x
    x = 35,549,821,679.35/215,208.64
  6. Step 6: Final answer
    x = 165,187.71

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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.