Home / 166,769.08-230,139.04-91,317.60

Finding the Fourth Proportional to 166,769.08, 230,139.04 and 91,317.60

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Solution

The fourth proportional to 166,769.08, 230,139.04 and 91,317.60 is: 126,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,769.08 : 230,139.04 = 91,317.60 : x
  2. Step 2: Convert to fraction form
    166,769.08/230,139.04 = 91,317.60/x
  3. Step 3: Cross multiply
    166,769.08x = 230,139.04 × 91,317.60
  4. Step 4: Simplify right side
    166,769.08x = 21,015,744,799.10
  5. Step 5: Solve for x
    x = 21,015,744,799.10/166,769.08
  6. Step 6: Final answer
    x = 126,017.03

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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.