Home / 190,201.56-262,478.04-105,324

Finding the Fourth Proportional to 190,201.56, 262,478.04 and 105,324

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Solution

The fourth proportional to 190,201.56, 262,478.04 and 105,324 is: 145,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,201.56 : 262,478.04 = 105,324 : x
  2. Step 2: Convert to fraction form
    190,201.56/262,478.04 = 105,324/x
  3. Step 3: Cross multiply
    190,201.56x = 262,478.04 × 105,324
  4. Step 4: Simplify right side
    190,201.56x = 27,645,237,084.96
  5. Step 5: Solve for x
    x = 27,645,237,084.96/190,201.56
  6. Step 6: Final answer
    x = 145,347.06

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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.