Home / 146,255.70-219,383.55-121,323.90

Finding the Fourth Proportional to 146,255.70, 219,383.55 and 121,323.90

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Solution

The fourth proportional to 146,255.70, 219,383.55 and 121,323.90 is: 181,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,255.70 : 219,383.55 = 121,323.90 : x
  2. Step 2: Convert to fraction form
    146,255.70/219,383.55 = 121,323.90/x
  3. Step 3: Cross multiply
    146,255.70x = 219,383.55 × 121,323.90
  4. Step 4: Simplify right side
    146,255.70x = 26,616,467,881.85
  5. Step 5: Solve for x
    x = 26,616,467,881.85/146,255.70
  6. Step 6: Final answer
    x = 181,985.85

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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.