Home / 147,450.42-203,481.36-83,788.20

Finding the Fourth Proportional to 147,450.42, 203,481.36 and 83,788.20

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Solution

The fourth proportional to 147,450.42, 203,481.36 and 83,788.20 is: 115,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,450.42 : 203,481.36 = 83,788.20 : x
  2. Step 2: Convert to fraction form
    147,450.42/203,481.36 = 83,788.20/x
  3. Step 3: Cross multiply
    147,450.42x = 203,481.36 × 83,788.20
  4. Step 4: Simplify right side
    147,450.42x = 17,049,336,887.95
  5. Step 5: Solve for x
    x = 17,049,336,887.95/147,450.42
  6. Step 6: Final answer
    x = 115,627.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.