Home / 93,932.40-141,002.28-74,336.88

Finding the Fourth Proportional to 93,932.40, 141,002.28 and 74,336.88

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Solution

The fourth proportional to 93,932.40, 141,002.28 and 74,336.88 is: 111,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,932.40 : 141,002.28 = 74,336.88 : x
  2. Step 2: Convert to fraction form
    93,932.40/141,002.28 = 74,336.88/x
  3. Step 3: Cross multiply
    93,932.40x = 141,002.28 × 74,336.88
  4. Step 4: Simplify right side
    93,932.40x = 10,481,669,568.09
  5. Step 5: Solve for x
    x = 10,481,669,568.09/93,932.40
  6. Step 6: Final answer
    x = 111,587.37

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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.