Home / 74,126.53-111,200.63-21,529.18

Finding the Fourth Proportional to 74,126.53, 111,200.63 and 21,529.18

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Solution

The fourth proportional to 74,126.53, 111,200.63 and 21,529.18 is: 32,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.53 : 111,200.63 = 21,529.18 : x
  2. Step 2: Convert to fraction form
    74,126.53/111,200.63 = 21,529.18/x
  3. Step 3: Cross multiply
    74,126.53x = 111,200.63 × 21,529.18
  4. Step 4: Simplify right side
    74,126.53x = 2,394,058,379.38
  5. Step 5: Solve for x
    x = 2,394,058,379.38/74,126.53
  6. Step 6: Final answer
    x = 32,296.92

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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.