Home / 135,485.68-203,172.90-40,682.74

Finding the Fourth Proportional to 135,485.68, 203,172.90 and 40,682.74

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Solution

The fourth proportional to 135,485.68, 203,172.90 and 40,682.74 is: 61,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,485.68 : 203,172.90 = 40,682.74 : x
  2. Step 2: Convert to fraction form
    135,485.68/203,172.90 = 40,682.74/x
  3. Step 3: Cross multiply
    135,485.68x = 203,172.90 × 40,682.74
  4. Step 4: Simplify right side
    135,485.68x = 8,265,630,265.75
  5. Step 5: Solve for x
    x = 8,265,630,265.75/135,485.68
  6. Step 6: Final answer
    x = 61,007.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.