Home / 214,537.36-321,681.43-81,344.96

Finding the Fourth Proportional to 214,537.36, 321,681.43 and 81,344.96

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Solution

The fourth proportional to 214,537.36, 321,681.43 and 81,344.96 is: 121,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,537.36 : 321,681.43 = 81,344.96 : x
  2. Step 2: Convert to fraction form
    214,537.36/321,681.43 = 81,344.96/x
  3. Step 3: Cross multiply
    214,537.36x = 321,681.43 × 81,344.96
  4. Step 4: Simplify right side
    214,537.36x = 26,167,162,298.11
  5. Step 5: Solve for x
    x = 26,167,162,298.11/214,537.36
  6. Step 6: Final answer
    x = 121,970.19

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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.