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Finding the Fourth Proportional to 111,153.60, 166,730.40 and 93,657.60

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Solution

The fourth proportional to 111,153.60, 166,730.40 and 93,657.60 is: 140,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,153.60 : 166,730.40 = 93,657.60 : x
  2. Step 2: Convert to fraction form
    111,153.60/166,730.40 = 93,657.60/x
  3. Step 3: Cross multiply
    111,153.60x = 166,730.40 × 93,657.60
  4. Step 4: Simplify right side
    111,153.60x = 15,615,569,111.04
  5. Step 5: Solve for x
    x = 15,615,569,111.04/111,153.60
  6. Step 6: Final answer
    x = 140,486.40

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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.