Home / 150,419.16-207,578.48-82,438.83

Finding the Fourth Proportional to 150,419.16, 207,578.48 and 82,438.83

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Solution

The fourth proportional to 150,419.16, 207,578.48 and 82,438.83 is: 113,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,419.16 : 207,578.48 = 82,438.83 : x
  2. Step 2: Convert to fraction form
    150,419.16/207,578.48 = 82,438.83/x
  3. Step 3: Cross multiply
    150,419.16x = 207,578.48 × 82,438.83
  4. Step 4: Simplify right side
    150,419.16x = 17,112,526,612.18
  5. Step 5: Solve for x
    x = 17,112,526,612.18/150,419.16
  6. Step 6: Final answer
    x = 113,765.60

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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.