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Finding the Fourth Proportional to 157,471.60, 235,631.40 and 115,999.60

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Solution

The fourth proportional to 157,471.60, 235,631.40 and 115,999.60 is: 173,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,471.60 : 235,631.40 = 115,999.60 : x
  2. Step 2: Convert to fraction form
    157,471.60/235,631.40 = 115,999.60/x
  3. Step 3: Cross multiply
    157,471.60x = 235,631.40 × 115,999.60
  4. Step 4: Simplify right side
    157,471.60x = 27,333,148,147.44
  5. Step 5: Solve for x
    x = 27,333,148,147.44/157,471.60
  6. Step 6: Final answer
    x = 173,575.10

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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.