Home / 126,841.27-190,223.93-79,528.26

Finding the Fourth Proportional to 126,841.27, 190,223.93 and 79,528.26

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Solution

The fourth proportional to 126,841.27, 190,223.93 and 79,528.26 is: 119,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,841.27 : 190,223.93 = 79,528.26 : x
  2. Step 2: Convert to fraction form
    126,841.27/190,223.93 = 79,528.26/x
  3. Step 3: Cross multiply
    126,841.27x = 190,223.93 × 79,528.26
  4. Step 4: Simplify right side
    126,841.27x = 15,128,178,163.26
  5. Step 5: Solve for x
    x = 15,128,178,163.26/126,841.27
  6. Step 6: Final answer
    x = 119,268.58

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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.