Home / 150,409.31-207,564.66-82,430.55

Finding the Fourth Proportional to 150,409.31, 207,564.66 and 82,430.55

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Solution

The fourth proportional to 150,409.31, 207,564.66 and 82,430.55 is: 113,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,409.31 : 207,564.66 = 82,430.55 : x
  2. Step 2: Convert to fraction form
    150,409.31/207,564.66 = 82,430.55/x
  3. Step 3: Cross multiply
    150,409.31x = 207,564.66 × 82,430.55
  4. Step 4: Simplify right side
    150,409.31x = 17,109,669,084.36
  5. Step 5: Solve for x
    x = 17,109,669,084.36/150,409.31
  6. Step 6: Final answer
    x = 113,754.06

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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.