Home / 126,868.26-190,228.60-47,988.64

Finding the Fourth Proportional to 126,868.26, 190,228.60 and 47,988.64

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Solution

The fourth proportional to 126,868.26, 190,228.60 and 47,988.64 is: 71,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,868.26 : 190,228.60 = 47,988.64 : x
  2. Step 2: Convert to fraction form
    126,868.26/190,228.60 = 47,988.64/x
  3. Step 3: Cross multiply
    126,868.26x = 190,228.60 × 47,988.64
  4. Step 4: Simplify right side
    126,868.26x = 9,128,812,100.88
  5. Step 5: Solve for x
    x = 9,128,812,100.88/126,868.26
  6. Step 6: Final answer
    x = 71,955.05

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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.