Home / 190,143.30-262,400.87-104,100.85

Finding the Fourth Proportional to 190,143.30, 262,400.87 and 104,100.85

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Solution

The fourth proportional to 190,143.30, 262,400.87 and 104,100.85 is: 143,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.30 : 262,400.87 = 104,100.85 : x
  2. Step 2: Convert to fraction form
    190,143.30/262,400.87 = 104,100.85/x
  3. Step 3: Cross multiply
    190,143.30x = 262,400.87 × 104,100.85
  4. Step 4: Simplify right side
    190,143.30x = 27,316,153,087.24
  5. Step 5: Solve for x
    x = 27,316,153,087.24/190,143.30
  6. Step 6: Final answer
    x = 143,660.88

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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.