Home / 134,212.33-201,351.37-66,776.19

Finding the Fourth Proportional to 134,212.33, 201,351.37 and 66,776.19

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Solution

The fourth proportional to 134,212.33, 201,351.37 and 66,776.19 is: 100,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,212.33 : 201,351.37 = 66,776.19 : x
  2. Step 2: Convert to fraction form
    134,212.33/201,351.37 = 66,776.19/x
  3. Step 3: Cross multiply
    134,212.33x = 201,351.37 × 66,776.19
  4. Step 4: Simplify right side
    134,212.33x = 13,445,477,339.88
  5. Step 5: Solve for x
    x = 13,445,477,339.88/134,212.33
  6. Step 6: Final answer
    x = 100,180.64

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1.5x scale

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.