Home / 112,981.56-169,473.33-28,741.80

Finding the Fourth Proportional to 112,981.56, 169,473.33 and 28,741.80

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Solution

The fourth proportional to 112,981.56, 169,473.33 and 28,741.80 is: 43,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,981.56 : 169,473.33 = 28,741.80 : x
  2. Step 2: Convert to fraction form
    112,981.56/169,473.33 = 28,741.80/x
  3. Step 3: Cross multiply
    112,981.56x = 169,473.33 × 28,741.80
  4. Step 4: Simplify right side
    112,981.56x = 4,870,968,556.19
  5. Step 5: Solve for x
    x = 4,870,968,556.19/112,981.56
  6. Step 6: Final answer
    x = 43,112.95

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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.