Home / 190,481.04-285,728.40-72,161.04

Finding the Fourth Proportional to 190,481.04, 285,728.40 and 72,161.04

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Solution

The fourth proportional to 190,481.04, 285,728.40 and 72,161.04 is: 108,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,481.04 : 285,728.40 = 72,161.04 : x
  2. Step 2: Convert to fraction form
    190,481.04/285,728.40 = 72,161.04/x
  3. Step 3: Cross multiply
    190,481.04x = 285,728.40 × 72,161.04
  4. Step 4: Simplify right side
    190,481.04x = 20,618,458,501.54
  5. Step 5: Solve for x
    x = 20,618,458,501.54/190,481.04
  6. Step 6: Final answer
    x = 108,244.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.