Home / 166,949.11-250,312.38-86,790.07

Finding the Fourth Proportional to 166,949.11, 250,312.38 and 86,790.07

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Solution

The fourth proportional to 166,949.11, 250,312.38 and 86,790.07 is: 130,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,949.11 : 250,312.38 = 86,790.07 : x
  2. Step 2: Convert to fraction form
    166,949.11/250,312.38 = 86,790.07/x
  3. Step 3: Cross multiply
    166,949.11x = 250,312.38 × 86,790.07
  4. Step 4: Simplify right side
    166,949.11x = 21,724,628,982.07
  5. Step 5: Solve for x
    x = 21,724,628,982.07/166,949.11
  6. Step 6: Final answer
    x = 130,127.25

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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.