Home / 214,892.08-322,402.51-86,742.38

Finding the Fourth Proportional to 214,892.08, 322,402.51 and 86,742.38

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Solution

The fourth proportional to 214,892.08, 322,402.51 and 86,742.38 is: 130,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,892.08 : 322,402.51 = 86,742.38 : x
  2. Step 2: Convert to fraction form
    214,892.08/322,402.51 = 86,742.38/x
  3. Step 3: Cross multiply
    214,892.08x = 322,402.51 × 86,742.38
  4. Step 4: Simplify right side
    214,892.08x = 27,965,961,949.81
  5. Step 5: Solve for x
    x = 27,965,961,949.81/214,892.08
  6. Step 6: Final answer
    x = 130,139.57

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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.