Home / 201,564.86-302,160.11-89,185.05

Finding the Fourth Proportional to 201,564.86, 302,160.11 and 89,185.05

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Solution

The fourth proportional to 201,564.86, 302,160.11 and 89,185.05 is: 133,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,564.86 : 302,160.11 = 89,185.05 : x
  2. Step 2: Convert to fraction form
    201,564.86/302,160.11 = 89,185.05/x
  3. Step 3: Cross multiply
    201,564.86x = 302,160.11 × 89,185.05
  4. Step 4: Simplify right side
    201,564.86x = 26,948,164,072.43
  5. Step 5: Solve for x
    x = 26,948,164,072.43/201,564.86
  6. Step 6: Final answer
    x = 133,694.76

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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.