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Finding the Fourth Proportional to 185,351.50, 255,812.40 and 117,374.68

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Solution

The fourth proportional to 185,351.50, 255,812.40 and 117,374.68 is: 161,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,351.50 : 255,812.40 = 117,374.68 : x
  2. Step 2: Convert to fraction form
    185,351.50/255,812.40 = 117,374.68/x
  3. Step 3: Cross multiply
    185,351.50x = 255,812.40 × 117,374.68
  4. Step 4: Simplify right side
    185,351.50x = 30,025,898,590.03
  5. Step 5: Solve for x
    x = 30,025,898,590.03/185,351.50
  6. Step 6: Final answer
    x = 161,994.37

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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.