Home / 150,409.06-207,564.31-82,430.30

Finding the Fourth Proportional to 150,409.06, 207,564.31 and 82,430.30

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Solution

The fourth proportional to 150,409.06, 207,564.31 and 82,430.30 is: 113,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,409.06 : 207,564.31 = 82,430.30 : x
  2. Step 2: Convert to fraction form
    150,409.06/207,564.31 = 82,430.30/x
  3. Step 3: Cross multiply
    150,409.06x = 207,564.31 × 82,430.30
  4. Step 4: Simplify right side
    150,409.06x = 17,109,588,342.59
  5. Step 5: Solve for x
    x = 17,109,588,342.59/150,409.06
  6. Step 6: Final answer
    x = 113,753.71

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1.5x scale

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.