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Finding the Fourth Proportional to 176,409.09, 243,465.42 and 104,789.40

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Solution

The fourth proportional to 176,409.09, 243,465.42 and 104,789.40 is: 144,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,409.09 : 243,465.42 = 104,789.40 : x
  2. Step 2: Convert to fraction form
    176,409.09/243,465.42 = 104,789.40/x
  3. Step 3: Cross multiply
    176,409.09x = 243,465.42 × 104,789.40
  4. Step 4: Simplify right side
    176,409.09x = 25,512,595,282.55
  5. Step 5: Solve for x
    x = 25,512,595,282.55/176,409.09
  6. Step 6: Final answer
    x = 144,621.77

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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.