Home / 170,245.13-255,273.32-78,960.96

Finding the Fourth Proportional to 170,245.13, 255,273.32 and 78,960.96

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Solution

The fourth proportional to 170,245.13, 255,273.32 and 78,960.96 is: 118,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,245.13 : 255,273.32 = 78,960.96 : x
  2. Step 2: Convert to fraction form
    170,245.13/255,273.32 = 78,960.96/x
  3. Step 3: Cross multiply
    170,245.13x = 255,273.32 × 78,960.96
  4. Step 4: Simplify right side
    170,245.13x = 20,156,626,606.99
  5. Step 5: Solve for x
    x = 20,156,626,606.99/170,245.13
  6. Step 6: Final answer
    x = 118,397.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.