Home / 78,140.03-117,297.52-51,896.03

Finding the Fourth Proportional to 78,140.03, 117,297.52 and 51,896.03

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Solution

The fourth proportional to 78,140.03, 117,297.52 and 51,896.03 is: 77,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,140.03 : 117,297.52 = 51,896.03 : x
  2. Step 2: Convert to fraction form
    78,140.03/117,297.52 = 51,896.03/x
  3. Step 3: Cross multiply
    78,140.03x = 117,297.52 × 51,896.03
  4. Step 4: Simplify right side
    78,140.03x = 6,087,274,900.62
  5. Step 5: Solve for x
    x = 6,087,274,900.62/78,140.03
  6. Step 6: Final answer
    x = 77,902.14

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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.