Home / 146,169.40-219,311.70-57,407.80

Finding the Fourth Proportional to 146,169.40, 219,311.70 and 57,407.80

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Solution

The fourth proportional to 146,169.40, 219,311.70 and 57,407.80 is: 86,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,169.40 : 219,311.70 = 57,407.80 : x
  2. Step 2: Convert to fraction form
    146,169.40/219,311.70 = 57,407.80/x
  3. Step 3: Cross multiply
    146,169.40x = 219,311.70 × 57,407.80
  4. Step 4: Simplify right side
    146,169.40x = 12,590,202,211.26
  5. Step 5: Solve for x
    x = 12,590,202,211.26/146,169.40
  6. Step 6: Final answer
    x = 86,134.32

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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.