Home / 144,845.80-199,984.89-90,481.03

Finding the Fourth Proportional to 144,845.80, 199,984.89 and 90,481.03

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Solution

The fourth proportional to 144,845.80, 199,984.89 and 90,481.03 is: 124,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,845.80 : 199,984.89 = 90,481.03 : x
  2. Step 2: Convert to fraction form
    144,845.80/199,984.89 = 90,481.03/x
  3. Step 3: Cross multiply
    144,845.80x = 199,984.89 × 90,481.03
  4. Step 4: Simplify right side
    144,845.80x = 18,094,838,831.64
  5. Step 5: Solve for x
    x = 18,094,838,831.64/144,845.80
  6. Step 6: Final answer
    x = 124,924.84

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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.