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Finding the Fourth Proportional to 173,407.60, 260,046.60 and 120,660.40

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Solution

The fourth proportional to 173,407.60, 260,046.60 and 120,660.40 is: 180,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,407.60 : 260,046.60 = 120,660.40 : x
  2. Step 2: Convert to fraction form
    173,407.60/260,046.60 = 120,660.40/x
  3. Step 3: Cross multiply
    173,407.60x = 260,046.60 × 120,660.40
  4. Step 4: Simplify right side
    173,407.60x = 31,377,326,774.64
  5. Step 5: Solve for x
    x = 31,377,326,774.64/173,407.60
  6. Step 6: Final answer
    x = 180,945.51

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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.