Home / 103,067.60-154,538.22-43,869.56

Finding the Fourth Proportional to 103,067.60, 154,538.22 and 43,869.56

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Solution

The fourth proportional to 103,067.60, 154,538.22 and 43,869.56 is: 65,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,067.60 : 154,538.22 = 43,869.56 : x
  2. Step 2: Convert to fraction form
    103,067.60/154,538.22 = 43,869.56/x
  3. Step 3: Cross multiply
    103,067.60x = 154,538.22 × 43,869.56
  4. Step 4: Simplify right side
    103,067.60x = 6,779,523,714.58
  5. Step 5: Solve for x
    x = 6,779,523,714.58/103,067.60
  6. Step 6: Final answer
    x = 65,777.45

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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.