Home / 215,156.76-296,908.32-119,661.39

Finding the Fourth Proportional to 215,156.76, 296,908.32 and 119,661.39

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Solution

The fourth proportional to 215,156.76, 296,908.32 and 119,661.39 is: 165,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,156.76 : 296,908.32 = 119,661.39 : x
  2. Step 2: Convert to fraction form
    215,156.76/296,908.32 = 119,661.39/x
  3. Step 3: Cross multiply
    215,156.76x = 296,908.32 × 119,661.39
  4. Step 4: Simplify right side
    215,156.76x = 35,528,462,273.76
  5. Step 5: Solve for x
    x = 35,528,462,273.76/215,156.76
  6. Step 6: Final answer
    x = 165,128.26

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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.