Home / 215,157.28-296,927.57-119,661.93

Finding the Fourth Proportional to 215,157.28, 296,927.57 and 119,661.93

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Solution

The fourth proportional to 215,157.28, 296,927.57 and 119,661.93 is: 165,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,157.28 : 296,927.57 = 119,661.93 : x
  2. Step 2: Convert to fraction form
    215,157.28/296,927.57 = 119,661.93/x
  3. Step 3: Cross multiply
    215,157.28x = 296,927.57 × 119,661.93
  4. Step 4: Simplify right side
    215,157.28x = 35,530,926,096.41
  5. Step 5: Solve for x
    x = 35,530,926,096.41/215,157.28
  6. Step 6: Final answer
    x = 165,139.32

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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.