Home / 112,227.52-168,180.88-82,411.44

Finding the Fourth Proportional to 112,227.52, 168,180.88 and 82,411.44

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Solution

The fourth proportional to 112,227.52, 168,180.88 and 82,411.44 is: 123,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,227.52 : 168,180.88 = 82,411.44 : x
  2. Step 2: Convert to fraction form
    112,227.52/168,180.88 = 82,411.44/x
  3. Step 3: Cross multiply
    112,227.52x = 168,180.88 × 82,411.44
  4. Step 4: Simplify right side
    112,227.52x = 13,860,028,501.27
  5. Step 5: Solve for x
    x = 13,860,028,501.27/112,227.52
  6. Step 6: Final answer
    x = 123,499.37

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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.