Home / 130,223.20-195,296.40-51,311.20

Finding the Fourth Proportional to 130,223.20, 195,296.40 and 51,311.20

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Solution

The fourth proportional to 130,223.20, 195,296.40 and 51,311.20 is: 76,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,223.20 : 195,296.40 = 51,311.20 : x
  2. Step 2: Convert to fraction form
    130,223.20/195,296.40 = 51,311.20/x
  3. Step 3: Cross multiply
    130,223.20x = 195,296.40 × 51,311.20
  4. Step 4: Simplify right side
    130,223.20x = 10,020,892,639.68
  5. Step 5: Solve for x
    x = 10,020,892,639.68/130,223.20
  6. Step 6: Final answer
    x = 76,951.67

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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.