Home / 120,549.36-166,357.35-66,834.39

Finding the Fourth Proportional to 120,549.36, 166,357.35 and 66,834.39

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Solution

The fourth proportional to 120,549.36, 166,357.35 and 66,834.39 is: 92,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,549.36 : 166,357.35 = 66,834.39 : x
  2. Step 2: Convert to fraction form
    120,549.36/166,357.35 = 66,834.39/x
  3. Step 3: Cross multiply
    120,549.36x = 166,357.35 × 66,834.39
  4. Step 4: Simplify right side
    120,549.36x = 11,118,392,009.27
  5. Step 5: Solve for x
    x = 11,118,392,009.27/120,549.36
  6. Step 6: Final answer
    x = 92,231.03

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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.