Home / 214,953.98-322,433.99-81,841.50

Finding the Fourth Proportional to 214,953.98, 322,433.99 and 81,841.50

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Solution

The fourth proportional to 214,953.98, 322,433.99 and 81,841.50 is: 122,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,953.98 : 322,433.99 = 81,841.50 : x
  2. Step 2: Convert to fraction form
    214,953.98/322,433.99 = 81,841.50/x
  3. Step 3: Cross multiply
    214,953.98x = 322,433.99 × 81,841.50
  4. Step 4: Simplify right side
    214,953.98x = 26,388,480,983.38
  5. Step 5: Solve for x
    x = 26,388,480,983.38/214,953.98
  6. Step 6: Final answer
    x = 122,763.40

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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.