Home / 143,088.54-214,637.39-71,972.36

Finding the Fourth Proportional to 143,088.54, 214,637.39 and 71,972.36

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Solution

The fourth proportional to 143,088.54, 214,637.39 and 71,972.36 is: 107,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,088.54 : 214,637.39 = 71,972.36 : x
  2. Step 2: Convert to fraction form
    143,088.54/214,637.39 = 71,972.36/x
  3. Step 3: Cross multiply
    143,088.54x = 214,637.39 × 71,972.36
  4. Step 4: Simplify right side
    143,088.54x = 15,447,958,069.49
  5. Step 5: Solve for x
    x = 15,447,958,069.49/143,088.54
  6. Step 6: Final answer
    x = 107,960.83

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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.