Home / 166,399.36-229,627.74-90,948.40

Finding the Fourth Proportional to 166,399.36, 229,627.74 and 90,948.40

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Solution

The fourth proportional to 166,399.36, 229,627.74 and 90,948.40 is: 125,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,399.36 : 229,627.74 = 90,948.40 : x
  2. Step 2: Convert to fraction form
    166,399.36/229,627.74 = 90,948.40/x
  3. Step 3: Cross multiply
    166,399.36x = 229,627.74 × 90,948.40
  4. Step 4: Simplify right side
    166,399.36x = 20,884,275,548.62
  5. Step 5: Solve for x
    x = 20,884,275,548.62/166,399.36
  6. Step 6: Final answer
    x = 125,506.95

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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.