Home / 130,247.55-195,378.93-50,285.97

Finding the Fourth Proportional to 130,247.55, 195,378.93 and 50,285.97

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Solution

The fourth proportional to 130,247.55, 195,378.93 and 50,285.97 is: 75,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,247.55 : 195,378.93 = 50,285.97 : x
  2. Step 2: Convert to fraction form
    130,247.55/195,378.93 = 50,285.97/x
  3. Step 3: Cross multiply
    130,247.55x = 195,378.93 × 50,285.97
  4. Step 4: Simplify right side
    130,247.55x = 9,824,819,012.61
  5. Step 5: Solve for x
    x = 9,824,819,012.61/130,247.55
  6. Step 6: Final answer
    x = 75,431.89

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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.