Home / 214,700.21-322,050.32-81,548.97

Finding the Fourth Proportional to 214,700.21, 322,050.32 and 81,548.97

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Solution

The fourth proportional to 214,700.21, 322,050.32 and 81,548.97 is: 122,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,700.21 : 322,050.32 = 81,548.97 : x
  2. Step 2: Convert to fraction form
    214,700.21/322,050.32 = 81,548.97/x
  3. Step 3: Cross multiply
    214,700.21x = 322,050.32 × 81,548.97
  4. Step 4: Simplify right side
    214,700.21x = 26,262,871,476.43
  5. Step 5: Solve for x
    x = 26,262,871,476.43/214,700.21
  6. Step 6: Final answer
    x = 122,323.46

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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.