Home / 103,014.64-154,523.40-29,142.64

Finding the Fourth Proportional to 103,014.64, 154,523.40 and 29,142.64

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Solution

The fourth proportional to 103,014.64, 154,523.40 and 29,142.64 is: 43,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,014.64 : 154,523.40 = 29,142.64 : x
  2. Step 2: Convert to fraction form
    103,014.64/154,523.40 = 29,142.64/x
  3. Step 3: Cross multiply
    103,014.64x = 154,523.40 × 29,142.64
  4. Step 4: Simplify right side
    103,014.64x = 4,503,219,817.78
  5. Step 5: Solve for x
    x = 4,503,219,817.78/103,014.64
  6. Step 6: Final answer
    x = 43,714.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.