Home / 201,463.80-302,233.07-66,537.21

Finding the Fourth Proportional to 201,463.80, 302,233.07 and 66,537.21

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Solution

The fourth proportional to 201,463.80, 302,233.07 and 66,537.21 is: 99,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,463.80 : 302,233.07 = 66,537.21 : x
  2. Step 2: Convert to fraction form
    201,463.80/302,233.07 = 66,537.21/x
  3. Step 3: Cross multiply
    201,463.80x = 302,233.07 × 66,537.21
  4. Step 4: Simplify right side
    201,463.80x = 20,109,744,914.85
  5. Step 5: Solve for x
    x = 20,109,744,914.85/201,463.80
  6. Step 6: Final answer
    x = 99,818.16

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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.