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Finding the Fourth Proportional to 78,885.30, 118,270.35 and 32,114.10

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Solution

The fourth proportional to 78,885.30, 118,270.35 and 32,114.10 is: 48,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,885.30 : 118,270.35 = 32,114.10 : x
  2. Step 2: Convert to fraction form
    78,885.30/118,270.35 = 32,114.10/x
  3. Step 3: Cross multiply
    78,885.30x = 118,270.35 × 32,114.10
  4. Step 4: Simplify right side
    78,885.30x = 3,798,145,846.94
  5. Step 5: Solve for x
    x = 3,798,145,846.94/78,885.30
  6. Step 6: Final answer
    x = 48,147.70

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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.