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Finding the Fourth Proportional to 186,425.20, 257,231.36 and 109,968.32

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Solution

The fourth proportional to 186,425.20, 257,231.36 and 109,968.32 is: 151,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,425.20 : 257,231.36 = 109,968.32 : x
  2. Step 2: Convert to fraction form
    186,425.20/257,231.36 = 109,968.32/x
  3. Step 3: Cross multiply
    186,425.20x = 257,231.36 × 109,968.32
  4. Step 4: Simplify right side
    186,425.20x = 28,287,300,510.52
  5. Step 5: Solve for x
    x = 28,287,300,510.52/186,425.20
  6. Step 6: Final answer
    x = 151,735.39

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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.