Home / 150,415.20-207,538.47-89,976.24

Finding the Fourth Proportional to 150,415.20, 207,538.47 and 89,976.24

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Solution

The fourth proportional to 150,415.20, 207,538.47 and 89,976.24 is: 124,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,415.20 : 207,538.47 = 89,976.24 : x
  2. Step 2: Convert to fraction form
    150,415.20/207,538.47 = 89,976.24/x
  3. Step 3: Cross multiply
    150,415.20x = 207,538.47 × 89,976.24
  4. Step 4: Simplify right side
    150,415.20x = 18,673,531,185.95
  5. Step 5: Solve for x
    x = 18,673,531,185.95/150,415.20
  6. Step 6: Final answer
    x = 124,146.57

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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.