Home / 126,898.20-190,260.90-48,000.60

Finding the Fourth Proportional to 126,898.20, 190,260.90 and 48,000.60

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Solution

The fourth proportional to 126,898.20, 190,260.90 and 48,000.60 is: 71,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,898.20 : 190,260.90 = 48,000.60 : x
  2. Step 2: Convert to fraction form
    126,898.20/190,260.90 = 48,000.60/x
  3. Step 3: Cross multiply
    126,898.20x = 190,260.90 × 48,000.60
  4. Step 4: Simplify right side
    126,898.20x = 9,132,637,356.54
  5. Step 5: Solve for x
    x = 9,132,637,356.54/126,898.20
  6. Step 6: Final answer
    x = 71,968.22

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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.