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Finding the Fourth Proportional to 135,322.59, 203,002.72 and 56,418.67

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Solution

The fourth proportional to 135,322.59, 203,002.72 and 56,418.67 is: 84,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,322.59 : 203,002.72 = 56,418.67 : x
  2. Step 2: Convert to fraction form
    135,322.59/203,002.72 = 56,418.67/x
  3. Step 3: Cross multiply
    135,322.59x = 203,002.72 × 56,418.67
  4. Step 4: Simplify right side
    135,322.59x = 11,453,142,820.23
  5. Step 5: Solve for x
    x = 11,453,142,820.23/135,322.59
  6. Step 6: Final answer
    x = 84,635.85

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