Home / 262,056.96-393,085.20-82,143.68

Finding the Fourth Proportional to 262,056.96, 393,085.20 and 82,143.68

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Solution

The fourth proportional to 262,056.96, 393,085.20 and 82,143.68 is: 123,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,056.96 : 393,085.20 = 82,143.68 : x
  2. Step 2: Convert to fraction form
    262,056.96/393,085.20 = 82,143.68/x
  3. Step 3: Cross multiply
    262,056.96x = 393,085.20 × 82,143.68
  4. Step 4: Simplify right side
    262,056.96x = 32,289,464,881.54
  5. Step 5: Solve for x
    x = 32,289,464,881.54/262,056.96
  6. Step 6: Final answer
    x = 123,215.44

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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.