Home / 166,316.80-229,517.04-90,865.28

Finding the Fourth Proportional to 166,316.80, 229,517.04 and 90,865.28

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Solution

The fourth proportional to 166,316.80, 229,517.04 and 90,865.28 is: 125,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,316.80 : 229,517.04 = 90,865.28 : x
  2. Step 2: Convert to fraction form
    166,316.80/229,517.04 = 90,865.28/x
  3. Step 3: Cross multiply
    166,316.80x = 229,517.04 × 90,865.28
  4. Step 4: Simplify right side
    166,316.80x = 20,855,130,104.37
  5. Step 5: Solve for x
    x = 20,855,130,104.37/166,316.80
  6. Step 6: Final answer
    x = 125,394.01

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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.