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Finding the Fourth Proportional to 186,627.60, 279,941.40 and 103,683.60

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Solution

The fourth proportional to 186,627.60, 279,941.40 and 103,683.60 is: 155,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,627.60 : 279,941.40 = 103,683.60 : x
  2. Step 2: Convert to fraction form
    186,627.60/279,941.40 = 103,683.60/x
  3. Step 3: Cross multiply
    186,627.60x = 279,941.40 × 103,683.60
  4. Step 4: Simplify right side
    186,627.60x = 29,025,332,141.04
  5. Step 5: Solve for x
    x = 29,025,332,141.04/186,627.60
  6. Step 6: Final answer
    x = 155,525.40

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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.