Home / 146,089.40-219,146.60-51,311.34

Finding the Fourth Proportional to 146,089.40, 219,146.60 and 51,311.34

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Solution

The fourth proportional to 146,089.40, 219,146.60 and 51,311.34 is: 76,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,089.40 : 219,146.60 = 51,311.34 : x
  2. Step 2: Convert to fraction form
    146,089.40/219,146.60 = 51,311.34/x
  3. Step 3: Cross multiply
    146,089.40x = 219,146.60 × 51,311.34
  4. Step 4: Simplify right side
    146,089.40x = 11,244,705,830.72
  5. Step 5: Solve for x
    x = 11,244,705,830.72/146,089.40
  6. Step 6: Final answer
    x = 76,971.40

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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.