Home / 144,308.57-199,016.87-90,598.59

Finding the Fourth Proportional to 144,308.57, 199,016.87 and 90,598.59

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Solution

The fourth proportional to 144,308.57, 199,016.87 and 90,598.59 is: 124,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,308.57 : 199,016.87 = 90,598.59 : x
  2. Step 2: Convert to fraction form
    144,308.57/199,016.87 = 90,598.59/x
  3. Step 3: Cross multiply
    144,308.57x = 199,016.87 × 90,598.59
  4. Step 4: Simplify right side
    144,308.57x = 18,030,647,355.22
  5. Step 5: Solve for x
    x = 18,030,647,355.22/144,308.57
  6. Step 6: Final answer
    x = 124,945.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.