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Finding the Fourth Proportional to 122,915.30, 184,416.15 and 118,595.30

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Solution

The fourth proportional to 122,915.30, 184,416.15 and 118,595.30 is: 177,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,915.30 : 184,416.15 = 118,595.30 : x
  2. Step 2: Convert to fraction form
    122,915.30/184,416.15 = 118,595.30/x
  3. Step 3: Cross multiply
    122,915.30x = 184,416.15 × 118,595.30
  4. Step 4: Simplify right side
    122,915.30x = 21,870,888,634.10
  5. Step 5: Solve for x
    x = 21,870,888,634.10/122,915.30
  6. Step 6: Final answer
    x = 177,934.63

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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.