Home / 150,803.20-207,993.08-102,442.42

Finding the Fourth Proportional to 150,803.20, 207,993.08 and 102,442.42

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Solution

The fourth proportional to 150,803.20, 207,993.08 and 102,442.42 is: 141,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,803.20 : 207,993.08 = 102,442.42 : x
  2. Step 2: Convert to fraction form
    150,803.20/207,993.08 = 102,442.42/x
  3. Step 3: Cross multiply
    150,803.20x = 207,993.08 × 102,442.42
  4. Step 4: Simplify right side
    150,803.20x = 21,307,314,458.45
  5. Step 5: Solve for x
    x = 21,307,314,458.45/150,803.20
  6. Step 6: Final answer
    x = 141,292.19

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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.