Home / 126,903.20-190,268.40-48,005.60

Finding the Fourth Proportional to 126,903.20, 190,268.40 and 48,005.60

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Solution

The fourth proportional to 126,903.20, 190,268.40 and 48,005.60 is: 71,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,903.20 : 190,268.40 = 48,005.60 : x
  2. Step 2: Convert to fraction form
    126,903.20/190,268.40 = 48,005.60/x
  3. Step 3: Cross multiply
    126,903.20x = 190,268.40 × 48,005.60
  4. Step 4: Simplify right side
    126,903.20x = 9,133,948,703.04
  5. Step 5: Solve for x
    x = 9,133,948,703.04/126,903.20
  6. Step 6: Final answer
    x = 71,975.72

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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.