Home / 132,912.44-183,315.12-85,170.32

Finding the Fourth Proportional to 132,912.44, 183,315.12 and 85,170.32

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Solution

The fourth proportional to 132,912.44, 183,315.12 and 85,170.32 is: 117,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,912.44 : 183,315.12 = 85,170.32 : x
  2. Step 2: Convert to fraction form
    132,912.44/183,315.12 = 85,170.32/x
  3. Step 3: Cross multiply
    132,912.44x = 183,315.12 × 85,170.32
  4. Step 4: Simplify right side
    132,912.44x = 15,613,007,431.24
  5. Step 5: Solve for x
    x = 15,613,007,431.24/132,912.44
  6. Step 6: Final answer
    x = 117,468.37

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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.