Home / 248,631.12-343,111.34-141,201.12

Finding the Fourth Proportional to 248,631.12, 343,111.34 and 141,201.12

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Solution

The fourth proportional to 248,631.12, 343,111.34 and 141,201.12 is: 194,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,631.12 : 343,111.34 = 141,201.12 : x
  2. Step 2: Convert to fraction form
    248,631.12/343,111.34 = 141,201.12/x
  3. Step 3: Cross multiply
    248,631.12x = 343,111.34 × 141,201.12
  4. Step 4: Simplify right side
    248,631.12x = 48,447,707,132.37
  5. Step 5: Solve for x
    x = 48,447,707,132.37/248,631.12
  6. Step 6: Final answer
    x = 194,857.78

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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.