Home / 150,334.43-207,464.87-85,802.37

Finding the Fourth Proportional to 150,334.43, 207,464.87 and 85,802.37

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Solution

The fourth proportional to 150,334.43, 207,464.87 and 85,802.37 is: 118,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,334.43 : 207,464.87 = 85,802.37 : x
  2. Step 2: Convert to fraction form
    150,334.43/207,464.87 = 85,802.37/x
  3. Step 3: Cross multiply
    150,334.43x = 207,464.87 × 85,802.37
  4. Step 4: Simplify right side
    150,334.43x = 17,800,977,108.73
  5. Step 5: Solve for x
    x = 17,800,977,108.73/150,334.43
  6. Step 6: Final answer
    x = 118,409.19

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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.