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Finding the Fourth Proportional to 135,585.37, 187,109.69 and 74,337.32

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Solution

The fourth proportional to 135,585.37, 187,109.69 and 74,337.32 is: 102,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,585.37 : 187,109.69 = 74,337.32 : x
  2. Step 2: Convert to fraction form
    135,585.37/187,109.69 = 74,337.32/x
  3. Step 3: Cross multiply
    135,585.37x = 187,109.69 × 74,337.32
  4. Step 4: Simplify right side
    135,585.37x = 13,909,232,996.72
  5. Step 5: Solve for x
    x = 13,909,232,996.72/135,585.37
  6. Step 6: Final answer
    x = 102,586.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.