Home / 166,260.50-229,439.49-90,809.18

Finding the Fourth Proportional to 166,260.50, 229,439.49 and 90,809.18

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Solution

The fourth proportional to 166,260.50, 229,439.49 and 90,809.18 is: 125,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,260.50 : 229,439.49 = 90,809.18 : x
  2. Step 2: Convert to fraction form
    166,260.50/229,439.49 = 90,809.18/x
  3. Step 3: Cross multiply
    166,260.50x = 229,439.49 × 90,809.18
  4. Step 4: Simplify right side
    166,260.50x = 20,835,211,946.52
  5. Step 5: Solve for x
    x = 20,835,211,946.52/166,260.50
  6. Step 6: Final answer
    x = 125,316.67

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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.