Home / 166,426.63-229,668.74-90,975.13

Finding the Fourth Proportional to 166,426.63, 229,668.74 and 90,975.13

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Solution

The fourth proportional to 166,426.63, 229,668.74 and 90,975.13 is: 125,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,426.63 : 229,668.74 = 90,975.13 : x
  2. Step 2: Convert to fraction form
    166,426.63/229,668.74 = 90,975.13/x
  3. Step 3: Cross multiply
    166,426.63x = 229,668.74 × 90,975.13
  4. Step 4: Simplify right side
    166,426.63x = 20,894,143,478.44
  5. Step 5: Solve for x
    x = 20,894,143,478.44/166,426.63
  6. Step 6: Final answer
    x = 125,545.67

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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.