Home / 126,829.60-190,244.40-124,986.40

Finding the Fourth Proportional to 126,829.60, 190,244.40 and 124,986.40

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Solution

The fourth proportional to 126,829.60, 190,244.40 and 124,986.40 is: 187,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,829.60 : 190,244.40 = 124,986.40 : x
  2. Step 2: Convert to fraction form
    126,829.60/190,244.40 = 124,986.40/x
  3. Step 3: Cross multiply
    126,829.60x = 190,244.40 × 124,986.40
  4. Step 4: Simplify right side
    126,829.60x = 23,777,962,676.16
  5. Step 5: Solve for x
    x = 23,777,962,676.16/126,829.60
  6. Step 6: Final answer
    x = 187,479.60

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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.