Home / 148,511.30-222,668.55-81,983.30

Finding the Fourth Proportional to 148,511.30, 222,668.55 and 81,983.30

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Solution

The fourth proportional to 148,511.30, 222,668.55 and 81,983.30 is: 122,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,511.30 : 222,668.55 = 81,983.30 : x
  2. Step 2: Convert to fraction form
    148,511.30/222,668.55 = 81,983.30/x
  3. Step 3: Cross multiply
    148,511.30x = 222,668.55 × 81,983.30
  4. Step 4: Simplify right side
    148,511.30x = 18,255,102,535.22
  5. Step 5: Solve for x
    x = 18,255,102,535.22/148,511.30
  6. Step 6: Final answer
    x = 122,920.63

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1.5x scale

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.