Home / 135,832.60-203,768.36-42,345.64

Finding the Fourth Proportional to 135,832.60, 203,768.36 and 42,345.64

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Solution

The fourth proportional to 135,832.60, 203,768.36 and 42,345.64 is: 63,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,832.60 : 203,768.36 = 42,345.64 : x
  2. Step 2: Convert to fraction form
    135,832.60/203,768.36 = 42,345.64/x
  3. Step 3: Cross multiply
    135,832.60x = 203,768.36 × 42,345.64
  4. Step 4: Simplify right side
    135,832.60x = 8,628,701,615.95
  5. Step 5: Solve for x
    x = 8,628,701,615.95/135,832.60
  6. Step 6: Final answer
    x = 63,524.53

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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.