Home / 281,893.21-422,965.54-130,008.62

Finding the Fourth Proportional to 281,893.21, 422,965.54 and 130,008.62

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Solution

The fourth proportional to 281,893.21, 422,965.54 and 130,008.62 is: 195,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,893.21 : 422,965.54 = 130,008.62 : x
  2. Step 2: Convert to fraction form
    281,893.21/422,965.54 = 130,008.62/x
  3. Step 3: Cross multiply
    281,893.21x = 422,965.54 × 130,008.62
  4. Step 4: Simplify right side
    281,893.21x = 54,989,166,565.34
  5. Step 5: Solve for x
    x = 54,989,166,565.34/281,893.21
  6. Step 6: Final answer
    x = 195,070.92

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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.