Home / 146,750.45-220,224.33-51,980.31

Finding the Fourth Proportional to 146,750.45, 220,224.33 and 51,980.31

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Solution

The fourth proportional to 146,750.45, 220,224.33 and 51,980.31 is: 78,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,750.45 : 220,224.33 = 51,980.31 : x
  2. Step 2: Convert to fraction form
    146,750.45/220,224.33 = 51,980.31/x
  3. Step 3: Cross multiply
    146,750.45x = 220,224.33 × 51,980.31
  4. Step 4: Simplify right side
    146,750.45x = 11,447,328,942.94
  5. Step 5: Solve for x
    x = 11,447,328,942.94/146,750.45
  6. Step 6: Final answer
    x = 78,005.41

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1.5x scale

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.