Home / 150,086.04-207,129.97-85,556.81

Finding the Fourth Proportional to 150,086.04, 207,129.97 and 85,556.81

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Solution

The fourth proportional to 150,086.04, 207,129.97 and 85,556.81 is: 118,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,086.04 : 207,129.97 = 85,556.81 : x
  2. Step 2: Convert to fraction form
    150,086.04/207,129.97 = 85,556.81/x
  3. Step 3: Cross multiply
    150,086.04x = 207,129.97 × 85,556.81
  4. Step 4: Simplify right side
    150,086.04x = 17,721,380,379.32
  5. Step 5: Solve for x
    x = 17,721,380,379.32/150,086.04
  6. Step 6: Final answer
    x = 118,074.81

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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.