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Finding the Fourth Proportional to 154,967, 213,611.84 and 101,225.12

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Solution

The fourth proportional to 154,967, 213,611.84 and 101,225.12 is: 139,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,967 : 213,611.84 = 101,225.12 : x
  2. Step 2: Convert to fraction form
    154,967/213,611.84 = 101,225.12/x
  3. Step 3: Cross multiply
    154,967x = 213,611.84 × 101,225.12
  4. Step 4: Simplify right side
    154,967x = 21,622,884,137.42
  5. Step 5: Solve for x
    x = 21,622,884,137.42/154,967
  6. Step 6: Final answer
    x = 139,532.19

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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.