Home / 120,506.47-166,296.04-66,790.33

Finding the Fourth Proportional to 120,506.47, 166,296.04 and 66,790.33

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Solution

The fourth proportional to 120,506.47, 166,296.04 and 66,790.33 is: 92,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,506.47 : 166,296.04 = 66,790.33 : x
  2. Step 2: Convert to fraction form
    120,506.47/166,296.04 = 66,790.33/x
  3. Step 3: Cross multiply
    120,506.47x = 166,296.04 × 66,790.33
  4. Step 4: Simplify right side
    120,506.47x = 11,106,966,806.58
  5. Step 5: Solve for x
    x = 11,106,966,806.58/120,506.47
  6. Step 6: Final answer
    x = 92,169.05

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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.