Home / 214,476.36-321,505.40-102,126.42

Finding the Fourth Proportional to 214,476.36, 321,505.40 and 102,126.42

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Solution

The fourth proportional to 214,476.36, 321,505.40 and 102,126.42 is: 153,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,476.36 : 321,505.40 = 102,126.42 : x
  2. Step 2: Convert to fraction form
    214,476.36/321,505.40 = 102,126.42/x
  3. Step 3: Cross multiply
    214,476.36x = 321,505.40 × 102,126.42
  4. Step 4: Simplify right side
    214,476.36x = 32,834,195,767.98
  5. Step 5: Solve for x
    x = 32,834,195,767.98/214,476.36
  6. Step 6: Final answer
    x = 153,090.05

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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.