Home / 110,989.45-153,289.08-102,591.37

Finding the Fourth Proportional to 110,989.45, 153,289.08 and 102,591.37

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Solution

The fourth proportional to 110,989.45, 153,289.08 and 102,591.37 is: 141,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,989.45 : 153,289.08 = 102,591.37 : x
  2. Step 2: Convert to fraction form
    110,989.45/153,289.08 = 102,591.37/x
  3. Step 3: Cross multiply
    110,989.45x = 153,289.08 × 102,591.37
  4. Step 4: Simplify right side
    110,989.45x = 15,726,135,443.84
  5. Step 5: Solve for x
    x = 15,726,135,443.84/110,989.45
  6. Step 6: Final answer
    x = 141,690.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.