Home / 135,748.25-203,651.62-40,970.50

Finding the Fourth Proportional to 135,748.25, 203,651.62 and 40,970.50

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Solution

The fourth proportional to 135,748.25, 203,651.62 and 40,970.50 is: 61,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,748.25 : 203,651.62 = 40,970.50 : x
  2. Step 2: Convert to fraction form
    135,748.25/203,651.62 = 40,970.50/x
  3. Step 3: Cross multiply
    135,748.25x = 203,651.62 × 40,970.50
  4. Step 4: Simplify right side
    135,748.25x = 8,343,708,697.21
  5. Step 5: Solve for x
    x = 8,343,708,697.21/135,748.25
  6. Step 6: Final answer
    x = 61,464.58

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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.