Home / 149,446.09-206,228.08-84,906.88

Finding the Fourth Proportional to 149,446.09, 206,228.08 and 84,906.88

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Solution

The fourth proportional to 149,446.09, 206,228.08 and 84,906.88 is: 117,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,446.09 : 206,228.08 = 84,906.88 : x
  2. Step 2: Convert to fraction form
    149,446.09/206,228.08 = 84,906.88/x
  3. Step 3: Cross multiply
    149,446.09x = 206,228.08 × 84,906.88
  4. Step 4: Simplify right side
    149,446.09x = 17,510,182,841.19
  5. Step 5: Solve for x
    x = 17,510,182,841.19/149,446.09
  6. Step 6: Final answer
    x = 117,167.22

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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.