Home / 174,491.64-261,867.72-129,616.61

Finding the Fourth Proportional to 174,491.64, 261,867.72 and 129,616.61

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Solution

The fourth proportional to 174,491.64, 261,867.72 and 129,616.61 is: 194,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,491.64 : 261,867.72 = 129,616.61 : x
  2. Step 2: Convert to fraction form
    174,491.64/261,867.72 = 129,616.61/x
  3. Step 3: Cross multiply
    174,491.64x = 261,867.72 × 129,616.61
  4. Step 4: Simplify right side
    174,491.64x = 33,942,404,825.49
  5. Step 5: Solve for x
    x = 33,942,404,825.49/174,491.64
  6. Step 6: Final answer
    x = 194,521.67

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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.