Home / 261,107.37-360,327.56-147,930.12

Finding the Fourth Proportional to 261,107.37, 360,327.56 and 147,930.12

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Solution

The fourth proportional to 261,107.37, 360,327.56 and 147,930.12 is: 204,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,107.37 : 360,327.56 = 147,930.12 : x
  2. Step 2: Convert to fraction form
    261,107.37/360,327.56 = 147,930.12/x
  3. Step 3: Cross multiply
    261,107.37x = 360,327.56 × 147,930.12
  4. Step 4: Simplify right side
    261,107.37x = 53,303,298,450.46
  5. Step 5: Solve for x
    x = 53,303,298,450.46/261,107.37
  6. Step 6: Final answer
    x = 204,143.22

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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.