Home / 142,994.61-197,361.28-82,575.09

Finding the Fourth Proportional to 142,994.61, 197,361.28 and 82,575.09

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Solution

The fourth proportional to 142,994.61, 197,361.28 and 82,575.09 is: 113,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,994.61 : 197,361.28 = 82,575.09 : x
  2. Step 2: Convert to fraction form
    142,994.61/197,361.28 = 82,575.09/x
  3. Step 3: Cross multiply
    142,994.61x = 197,361.28 × 82,575.09
  4. Step 4: Simplify right side
    142,994.61x = 16,297,125,458.52
  5. Step 5: Solve for x
    x = 16,297,125,458.52/142,994.61
  6. Step 6: Final answer
    x = 113,970.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.