Home / 150,430.44-207,615.78-86,755.56

Finding the Fourth Proportional to 150,430.44, 207,615.78 and 86,755.56

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Solution

The fourth proportional to 150,430.44, 207,615.78 and 86,755.56 is: 119,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,430.44 : 207,615.78 = 86,755.56 : x
  2. Step 2: Convert to fraction form
    150,430.44/207,615.78 = 86,755.56/x
  3. Step 3: Cross multiply
    150,430.44x = 207,615.78 × 86,755.56
  4. Step 4: Simplify right side
    150,430.44x = 18,011,823,258.74
  5. Step 5: Solve for x
    x = 18,011,823,258.74/150,430.44
  6. Step 6: Final answer
    x = 119,735.23

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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.