Home / 214,286.14-320,483.13-129,812.86

Finding the Fourth Proportional to 214,286.14, 320,483.13 and 129,812.86

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Solution

The fourth proportional to 214,286.14, 320,483.13 and 129,812.86 is: 194,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,286.14 : 320,483.13 = 129,812.86 : x
  2. Step 2: Convert to fraction form
    214,286.14/320,483.13 = 129,812.86/x
  3. Step 3: Cross multiply
    214,286.14x = 320,483.13 × 129,812.86
  4. Step 4: Simplify right side
    214,286.14x = 41,602,831,687.05
  5. Step 5: Solve for x
    x = 41,602,831,687.05/214,286.14
  6. Step 6: Final answer
    x = 194,146.16

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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.