Home / 112,955.76-169,556.22-84,955.68

Finding the Fourth Proportional to 112,955.76, 169,556.22 and 84,955.68

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Solution

The fourth proportional to 112,955.76, 169,556.22 and 84,955.68 is: 127,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,955.76 : 169,556.22 = 84,955.68 : x
  2. Step 2: Convert to fraction form
    112,955.76/169,556.22 = 84,955.68/x
  3. Step 3: Cross multiply
    112,955.76x = 169,556.22 × 84,955.68
  4. Step 4: Simplify right side
    112,955.76x = 14,404,763,968.33
  5. Step 5: Solve for x
    x = 14,404,763,968.33/112,955.76
  6. Step 6: Final answer
    x = 127,525.71

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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.