Home / 150,419.25-207,580.86-82,435.67

Finding the Fourth Proportional to 150,419.25, 207,580.86 and 82,435.67

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Solution

The fourth proportional to 150,419.25, 207,580.86 and 82,435.67 is: 113,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,419.25 : 207,580.86 = 82,435.67 : x
  2. Step 2: Convert to fraction form
    150,419.25/207,580.86 = 82,435.67/x
  3. Step 3: Cross multiply
    150,419.25x = 207,580.86 × 82,435.67
  4. Step 4: Simplify right side
    150,419.25x = 17,112,067,273.28
  5. Step 5: Solve for x
    x = 17,112,067,273.28/150,419.25
  6. Step 6: Final answer
    x = 113,762.48

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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.