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Finding the Fourth Proportional to 135,124.43, 202,690.76 and 46,376.64

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Solution

The fourth proportional to 135,124.43, 202,690.76 and 46,376.64 is: 69,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,124.43 : 202,690.76 = 46,376.64 : x
  2. Step 2: Convert to fraction form
    135,124.43/202,690.76 = 46,376.64/x
  3. Step 3: Cross multiply
    135,124.43x = 202,690.76 × 46,376.64
  4. Step 4: Simplify right side
    135,124.43x = 9,400,116,175.96
  5. Step 5: Solve for x
    x = 9,400,116,175.96/135,124.43
  6. Step 6: Final answer
    x = 69,566.37

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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.