Home / 126,828.10-190,250.36-42,584.86

Finding the Fourth Proportional to 126,828.10, 190,250.36 and 42,584.86

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Solution

The fourth proportional to 126,828.10, 190,250.36 and 42,584.86 is: 63,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,828.10 : 190,250.36 = 42,584.86 : x
  2. Step 2: Convert to fraction form
    126,828.10/190,250.36 = 42,584.86/x
  3. Step 3: Cross multiply
    126,828.10x = 190,250.36 × 42,584.86
  4. Step 4: Simplify right side
    126,828.10x = 8,101,784,945.55
  5. Step 5: Solve for x
    x = 8,101,784,945.55/126,828.10
  6. Step 6: Final answer
    x = 63,880.05

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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.