Home / 231,164.20-346,515.90-106,287.40

Finding the Fourth Proportional to 231,164.20, 346,515.90 and 106,287.40

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Solution

The fourth proportional to 231,164.20, 346,515.90 and 106,287.40 is: 159,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,164.20 : 346,515.90 = 106,287.40 : x
  2. Step 2: Convert to fraction form
    231,164.20/346,515.90 = 106,287.40/x
  3. Step 3: Cross multiply
    231,164.20x = 346,515.90 × 106,287.40
  4. Step 4: Simplify right side
    231,164.20x = 36,830,274,069.66
  5. Step 5: Solve for x
    x = 36,830,274,069.66/231,164.20
  6. Step 6: Final answer
    x = 159,325.16

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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.