Home / 188,330.96-282,424.14-80,191.78

Finding the Fourth Proportional to 188,330.96, 282,424.14 and 80,191.78

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Solution

The fourth proportional to 188,330.96, 282,424.14 and 80,191.78 is: 120,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,330.96 : 282,424.14 = 80,191.78 : x
  2. Step 2: Convert to fraction form
    188,330.96/282,424.14 = 80,191.78/x
  3. Step 3: Cross multiply
    188,330.96x = 282,424.14 × 80,191.78
  4. Step 4: Simplify right side
    188,330.96x = 22,648,093,795.51
  5. Step 5: Solve for x
    x = 22,648,093,795.51/188,330.96
  6. Step 6: Final answer
    x = 120,256.88

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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.