Home / 151,931.46-227,318.95-91,738.38

Finding the Fourth Proportional to 151,931.46, 227,318.95 and 91,738.38

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Solution

The fourth proportional to 151,931.46, 227,318.95 and 91,738.38 is: 137,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,931.46 : 227,318.95 = 91,738.38 : x
  2. Step 2: Convert to fraction form
    151,931.46/227,318.95 = 91,738.38/x
  3. Step 3: Cross multiply
    151,931.46x = 227,318.95 × 91,738.38
  4. Step 4: Simplify right side
    151,931.46x = 20,853,872,216.30
  5. Step 5: Solve for x
    x = 20,853,872,216.30/151,931.46
  6. Step 6: Final answer
    x = 137,258.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.