Home / 201,389.09-302,094.78-66,447.83

Finding the Fourth Proportional to 201,389.09, 302,094.78 and 66,447.83

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Solution

The fourth proportional to 201,389.09, 302,094.78 and 66,447.83 is: 99,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,389.09 : 302,094.78 = 66,447.83 : x
  2. Step 2: Convert to fraction form
    201,389.09/302,094.78 = 66,447.83/x
  3. Step 3: Cross multiply
    201,389.09x = 302,094.78 × 66,447.83
  4. Step 4: Simplify right side
    201,389.09x = 20,073,542,253.09
  5. Step 5: Solve for x
    x = 20,073,542,253.09/201,389.09
  6. Step 6: Final answer
    x = 99,675.42

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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.