Home / 144,609.21-199,509.36-94,220.73

Finding the Fourth Proportional to 144,609.21, 199,509.36 and 94,220.73

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Solution

The fourth proportional to 144,609.21, 199,509.36 and 94,220.73 is: 129,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,609.21 : 199,509.36 = 94,220.73 : x
  2. Step 2: Convert to fraction form
    144,609.21/199,509.36 = 94,220.73/x
  3. Step 3: Cross multiply
    144,609.21x = 199,509.36 × 94,220.73
  4. Step 4: Simplify right side
    144,609.21x = 18,797,917,541.03
  5. Step 5: Solve for x
    x = 18,797,917,541.03/144,609.21
  6. Step 6: Final answer
    x = 129,991.15

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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.