Home / 144,318.57-199,030.66-90,608.59

Finding the Fourth Proportional to 144,318.57, 199,030.66 and 90,608.59

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Solution

The fourth proportional to 144,318.57, 199,030.66 and 90,608.59 is: 124,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,318.57 : 199,030.66 = 90,608.59 : x
  2. Step 2: Convert to fraction form
    144,318.57/199,030.66 = 90,608.59/x
  3. Step 3: Cross multiply
    144,318.57x = 199,030.66 × 90,608.59
  4. Step 4: Simplify right side
    144,318.57x = 18,033,887,469.37
  5. Step 5: Solve for x
    x = 18,033,887,469.37/144,318.57
  6. Step 6: Final answer
    x = 124,958.88

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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.