Home / 147,342.34-203,333.79-80,274.34

Finding the Fourth Proportional to 147,342.34, 203,333.79 and 80,274.34

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Solution

The fourth proportional to 147,342.34, 203,333.79 and 80,274.34 is: 110,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,342.34 : 203,333.79 = 80,274.34 : x
  2. Step 2: Convert to fraction form
    147,342.34/203,333.79 = 80,274.34/x
  3. Step 3: Cross multiply
    147,342.34x = 203,333.79 × 80,274.34
  4. Step 4: Simplify right side
    147,342.34x = 16,322,485,791.95
  5. Step 5: Solve for x
    x = 16,322,485,791.95/147,342.34
  6. Step 6: Final answer
    x = 110,779.33

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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.