Home / 102,208.44-153,289.62-28,342.20

Finding the Fourth Proportional to 102,208.44, 153,289.62 and 28,342.20

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Solution

The fourth proportional to 102,208.44, 153,289.62 and 28,342.20 is: 42,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208.44 : 153,289.62 = 28,342.20 : x
  2. Step 2: Convert to fraction form
    102,208.44/153,289.62 = 28,342.20/x
  3. Step 3: Cross multiply
    102,208.44x = 153,289.62 × 28,342.20
  4. Step 4: Simplify right side
    102,208.44x = 4,344,565,067.96
  5. Step 5: Solve for x
    x = 4,344,565,067.96/102,208.44
  6. Step 6: Final answer
    x = 42,506.91

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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.