Home / 190,892.76-263,435.19-104,859.72

Finding the Fourth Proportional to 190,892.76, 263,435.19 and 104,859.72

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Solution

The fourth proportional to 190,892.76, 263,435.19 and 104,859.72 is: 144,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,892.76 : 263,435.19 = 104,859.72 : x
  2. Step 2: Convert to fraction form
    190,892.76/263,435.19 = 104,859.72/x
  3. Step 3: Cross multiply
    190,892.76x = 263,435.19 × 104,859.72
  4. Step 4: Simplify right side
    190,892.76x = 27,623,740,261.55
  5. Step 5: Solve for x
    x = 27,623,740,261.55/190,892.76
  6. Step 6: Final answer
    x = 144,708.16

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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.