Home / 215,005.14-296,708.22-119,520.72

Finding the Fourth Proportional to 215,005.14, 296,708.22 and 119,520.72

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Solution

The fourth proportional to 215,005.14, 296,708.22 and 119,520.72 is: 164,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,005.14 : 296,708.22 = 119,520.72 : x
  2. Step 2: Convert to fraction form
    215,005.14/296,708.22 = 119,520.72/x
  3. Step 3: Cross multiply
    215,005.14x = 296,708.22 × 119,520.72
  4. Step 4: Simplify right side
    215,005.14x = 35,462,780,084.32
  5. Step 5: Solve for x
    x = 35,462,780,084.32/215,005.14
  6. Step 6: Final answer
    x = 164,939.22

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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.