Home / 112,914.09-169,371.42-38,086.80

Finding the Fourth Proportional to 112,914.09, 169,371.42 and 38,086.80

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Solution

The fourth proportional to 112,914.09, 169,371.42 and 38,086.80 is: 57,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,914.09 : 169,371.42 = 38,086.80 : x
  2. Step 2: Convert to fraction form
    112,914.09/169,371.42 = 38,086.80/x
  3. Step 3: Cross multiply
    112,914.09x = 169,371.42 × 38,086.80
  4. Step 4: Simplify right side
    112,914.09x = 6,450,815,399.26
  5. Step 5: Solve for x
    x = 6,450,815,399.26/112,914.09
  6. Step 6: Final answer
    x = 57,130.30

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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.