Home / 126,986.10-190,505.79-48,098.58

Finding the Fourth Proportional to 126,986.10, 190,505.79 and 48,098.58

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Solution

The fourth proportional to 126,986.10, 190,505.79 and 48,098.58 is: 72,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986.10 : 190,505.79 = 48,098.58 : x
  2. Step 2: Convert to fraction form
    126,986.10/190,505.79 = 48,098.58/x
  3. Step 3: Cross multiply
    126,986.10x = 190,505.79 × 48,098.58
  4. Step 4: Simplify right side
    126,986.10x = 9,163,057,980.78
  5. Step 5: Solve for x
    x = 9,163,057,980.78/126,986.10
  6. Step 6: Final answer
    x = 72,157.96

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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.