Home / 143,328.83-214,993.24-54,623.39

Finding the Fourth Proportional to 143,328.83, 214,993.24 and 54,623.39

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Solution

The fourth proportional to 143,328.83, 214,993.24 and 54,623.39 is: 81,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,328.83 : 214,993.24 = 54,623.39 : x
  2. Step 2: Convert to fraction form
    143,328.83/214,993.24 = 54,623.39/x
  3. Step 3: Cross multiply
    143,328.83x = 214,993.24 × 54,623.39
  4. Step 4: Simplify right side
    143,328.83x = 11,743,658,384.36
  5. Step 5: Solve for x
    x = 11,743,658,384.36/143,328.83
  6. Step 6: Final answer
    x = 81,935.08

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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.