Home / 146,485.90-219,749.91-45,291.84

Finding the Fourth Proportional to 146,485.90, 219,749.91 and 45,291.84

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Solution

The fourth proportional to 146,485.90, 219,749.91 and 45,291.84 is: 67,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,485.90 : 219,749.91 = 45,291.84 : x
  2. Step 2: Convert to fraction form
    146,485.90/219,749.91 = 45,291.84/x
  3. Step 3: Cross multiply
    146,485.90x = 219,749.91 × 45,291.84
  4. Step 4: Simplify right side
    146,485.90x = 9,952,878,625.15
  5. Step 5: Solve for x
    x = 9,952,878,625.15/146,485.90
  6. Step 6: Final answer
    x = 67,944.28

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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.