Home / 214,634.34-322,068.15-90,062.82

Finding the Fourth Proportional to 214,634.34, 322,068.15 and 90,062.82

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Solution

The fourth proportional to 214,634.34, 322,068.15 and 90,062.82 is: 135,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,634.34 : 322,068.15 = 90,062.82 : x
  2. Step 2: Convert to fraction form
    214,634.34/322,068.15 = 90,062.82/x
  3. Step 3: Cross multiply
    214,634.34x = 322,068.15 × 90,062.82
  4. Step 4: Simplify right side
    214,634.34x = 29,006,365,821.18
  5. Step 5: Solve for x
    x = 29,006,365,821.18/214,634.34
  6. Step 6: Final answer
    x = 135,143.17

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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.