Home / 146,171.40-219,314.70-57,409.80

Finding the Fourth Proportional to 146,171.40, 219,314.70 and 57,409.80

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Solution

The fourth proportional to 146,171.40, 219,314.70 and 57,409.80 is: 86,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,171.40 : 219,314.70 = 57,409.80 : x
  2. Step 2: Convert to fraction form
    146,171.40/219,314.70 = 57,409.80/x
  3. Step 3: Cross multiply
    146,171.40x = 219,314.70 × 57,409.80
  4. Step 4: Simplify right side
    146,171.40x = 12,590,813,064.06
  5. Step 5: Solve for x
    x = 12,590,813,064.06/146,171.40
  6. Step 6: Final answer
    x = 86,137.32

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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.