Home / 97,785.46-146,584.56-31,188.88

Finding the Fourth Proportional to 97,785.46, 146,584.56 and 31,188.88

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Solution

The fourth proportional to 97,785.46, 146,584.56 and 31,188.88 is: 46,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785.46 : 146,584.56 = 31,188.88 : x
  2. Step 2: Convert to fraction form
    97,785.46/146,584.56 = 31,188.88/x
  3. Step 3: Cross multiply
    97,785.46x = 146,584.56 × 31,188.88
  4. Step 4: Simplify right side
    97,785.46x = 4,571,808,251.69
  5. Step 5: Solve for x
    x = 4,571,808,251.69/97,785.46
  6. Step 6: Final answer
    x = 46,753.46

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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.