Home / 143,224.39-214,841.99-54,461.35

Finding the Fourth Proportional to 143,224.39, 214,841.99 and 54,461.35

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Solution

The fourth proportional to 143,224.39, 214,841.99 and 54,461.35 is: 81,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,224.39 : 214,841.99 = 54,461.35 : x
  2. Step 2: Convert to fraction form
    143,224.39/214,841.99 = 54,461.35/x
  3. Step 3: Cross multiply
    143,224.39x = 214,841.99 × 54,461.35
  4. Step 4: Simplify right side
    143,224.39x = 11,700,584,539.78
  5. Step 5: Solve for x
    x = 11,700,584,539.78/143,224.39
  6. Step 6: Final answer
    x = 81,694.08

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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.