Home / 143,088.06-214,664.49-76,493.10

Finding the Fourth Proportional to 143,088.06, 214,664.49 and 76,493.10

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Solution

The fourth proportional to 143,088.06, 214,664.49 and 76,493.10 is: 114,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,088.06 : 214,664.49 = 76,493.10 : x
  2. Step 2: Convert to fraction form
    143,088.06/214,664.49 = 76,493.10/x
  3. Step 3: Cross multiply
    143,088.06x = 214,664.49 × 76,493.10
  4. Step 4: Simplify right side
    143,088.06x = 16,420,352,300.02
  5. Step 5: Solve for x
    x = 16,420,352,300.02/143,088.06
  6. Step 6: Final answer
    x = 114,756.97

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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.