Home / 112,982.24-169,472.60-28,741.68

Finding the Fourth Proportional to 112,982.24, 169,472.60 and 28,741.68

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Solution

The fourth proportional to 112,982.24, 169,472.60 and 28,741.68 is: 43,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.24 : 169,472.60 = 28,741.68 : x
  2. Step 2: Convert to fraction form
    112,982.24/169,472.60 = 28,741.68/x
  3. Step 3: Cross multiply
    112,982.24x = 169,472.60 × 28,741.68
  4. Step 4: Simplify right side
    112,982.24x = 4,870,927,237.97
  5. Step 5: Solve for x
    x = 4,870,927,237.97/112,982.24
  6. Step 6: Final answer
    x = 43,112.33

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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.