Home / 144,738.24-199,778.40-88,149.12

Finding the Fourth Proportional to 144,738.24, 199,778.40 and 88,149.12

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Solution

The fourth proportional to 144,738.24, 199,778.40 and 88,149.12 is: 121,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,738.24 : 199,778.40 = 88,149.12 : x
  2. Step 2: Convert to fraction form
    144,738.24/199,778.40 = 88,149.12/x
  3. Step 3: Cross multiply
    144,738.24x = 199,778.40 × 88,149.12
  4. Step 4: Simplify right side
    144,738.24x = 17,610,290,155.01
  5. Step 5: Solve for x
    x = 17,610,290,155.01/144,738.24
  6. Step 6: Final answer
    x = 121,669.92

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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.