Home / 150,410.12-207,574.26-83,340.68

Finding the Fourth Proportional to 150,410.12, 207,574.26 and 83,340.68

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Solution

The fourth proportional to 150,410.12, 207,574.26 and 83,340.68 is: 115,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,410.12 : 207,574.26 = 83,340.68 : x
  2. Step 2: Convert to fraction form
    150,410.12/207,574.26 = 83,340.68/x
  3. Step 3: Cross multiply
    150,410.12x = 207,574.26 × 83,340.68
  4. Step 4: Simplify right side
    150,410.12x = 17,299,379,978.90
  5. Step 5: Solve for x
    x = 17,299,379,978.90/150,410.12
  6. Step 6: Final answer
    x = 115,014.73

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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.