Home / 112,896.22-169,012.12-75,363.20

Finding the Fourth Proportional to 112,896.22, 169,012.12 and 75,363.20

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Solution

The fourth proportional to 112,896.22, 169,012.12 and 75,363.20 is: 112,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,896.22 : 169,012.12 = 75,363.20 : x
  2. Step 2: Convert to fraction form
    112,896.22/169,012.12 = 75,363.20/x
  3. Step 3: Cross multiply
    112,896.22x = 169,012.12 × 75,363.20
  4. Step 4: Simplify right side
    112,896.22x = 12,737,294,201.98
  5. Step 5: Solve for x
    x = 12,737,294,201.98/112,896.22
  6. Step 6: Final answer
    x = 112,823.04

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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.