Home / 102,604.48-154,140.24-74,228.95

Finding the Fourth Proportional to 102,604.48, 154,140.24 and 74,228.95

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Solution

The fourth proportional to 102,604.48, 154,140.24 and 74,228.95 is: 111,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,604.48 : 154,140.24 = 74,228.95 : x
  2. Step 2: Convert to fraction form
    102,604.48/154,140.24 = 74,228.95/x
  3. Step 3: Cross multiply
    102,604.48x = 154,140.24 × 74,228.95
  4. Step 4: Simplify right side
    102,604.48x = 11,441,668,167.95
  5. Step 5: Solve for x
    x = 11,441,668,167.95/102,604.48
  6. Step 6: Final answer
    x = 111,512.36

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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.