Home / 146,138.08-219,075.48-52,578

Finding the Fourth Proportional to 146,138.08, 219,075.48 and 52,578

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Solution

The fourth proportional to 146,138.08, 219,075.48 and 52,578 is: 78,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,138.08 : 219,075.48 = 52,578 : x
  2. Step 2: Convert to fraction form
    146,138.08/219,075.48 = 52,578/x
  3. Step 3: Cross multiply
    146,138.08x = 219,075.48 × 52,578
  4. Step 4: Simplify right side
    146,138.08x = 11,518,550,587.44
  5. Step 5: Solve for x
    x = 11,518,550,587.44/146,138.08
  6. Step 6: Final answer
    x = 78,819.64

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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.