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Finding the Fourth Proportional to 168,002.40, 251,485.20 and 97,672.80

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Solution

The fourth proportional to 168,002.40, 251,485.20 and 97,672.80 is: 146,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.40 : 251,485.20 = 97,672.80 : x
  2. Step 2: Convert to fraction form
    168,002.40/251,485.20 = 97,672.80/x
  3. Step 3: Cross multiply
    168,002.40x = 251,485.20 × 97,672.80
  4. Step 4: Simplify right side
    168,002.40x = 24,563,263,642.56
  5. Step 5: Solve for x
    x = 24,563,263,642.56/168,002.40
  6. Step 6: Final answer
    x = 146,207.81

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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.