Home / 149,133.03-205,812.44-85,474.94

Finding the Fourth Proportional to 149,133.03, 205,812.44 and 85,474.94

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Solution

The fourth proportional to 149,133.03, 205,812.44 and 85,474.94 is: 117,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,133.03 : 205,812.44 = 85,474.94 : x
  2. Step 2: Convert to fraction form
    149,133.03/205,812.44 = 85,474.94/x
  3. Step 3: Cross multiply
    149,133.03x = 205,812.44 × 85,474.94
  4. Step 4: Simplify right side
    149,133.03x = 17,591,804,503.82
  5. Step 5: Solve for x
    x = 17,591,804,503.82/149,133.03
  6. Step 6: Final answer
    x = 117,960.48

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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.