Home / 126,164.83-189,281.27-41,938.60

Finding the Fourth Proportional to 126,164.83, 189,281.27 and 41,938.60

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Solution

The fourth proportional to 126,164.83, 189,281.27 and 41,938.60 is: 62,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,164.83 : 189,281.27 = 41,938.60 : x
  2. Step 2: Convert to fraction form
    126,164.83/189,281.27 = 41,938.60/x
  3. Step 3: Cross multiply
    126,164.83x = 189,281.27 × 41,938.60
  4. Step 4: Simplify right side
    126,164.83x = 7,938,191,470.02
  5. Step 5: Solve for x
    x = 7,938,191,470.02/126,164.83
  6. Step 6: Final answer
    x = 62,919.21

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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.