Home / 149,477.42-206,277.26-81,494.22

Finding the Fourth Proportional to 149,477.42, 206,277.26 and 81,494.22

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Solution

The fourth proportional to 149,477.42, 206,277.26 and 81,494.22 is: 112,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,477.42 : 206,277.26 = 81,494.22 : x
  2. Step 2: Convert to fraction form
    149,477.42/206,277.26 = 81,494.22/x
  3. Step 3: Cross multiply
    149,477.42x = 206,277.26 × 81,494.22
  4. Step 4: Simplify right side
    149,477.42x = 16,810,404,407.44
  5. Step 5: Solve for x
    x = 16,810,404,407.44/149,477.42
  6. Step 6: Final answer
    x = 112,461.16

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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.