Home / 152,719.36-229,078.88-82,735.36

Finding the Fourth Proportional to 152,719.36, 229,078.88 and 82,735.36

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Solution

The fourth proportional to 152,719.36, 229,078.88 and 82,735.36 is: 124,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,719.36 : 229,078.88 = 82,735.36 : x
  2. Step 2: Convert to fraction form
    152,719.36/229,078.88 = 82,735.36/x
  3. Step 3: Cross multiply
    152,719.36x = 229,078.88 × 82,735.36
  4. Step 4: Simplify right side
    152,719.36x = 18,952,923,605.20
  5. Step 5: Solve for x
    x = 18,952,923,605.20/152,719.36
  6. Step 6: Final answer
    x = 124,102.95

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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.