Home / 130,349.88-195,222.78-111,166.20

Finding the Fourth Proportional to 130,349.88, 195,222.78 and 111,166.20

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Solution

The fourth proportional to 130,349.88, 195,222.78 and 111,166.20 is: 166,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,349.88 : 195,222.78 = 111,166.20 : x
  2. Step 2: Convert to fraction form
    130,349.88/195,222.78 = 111,166.20/x
  3. Step 3: Cross multiply
    130,349.88x = 195,222.78 × 111,166.20
  4. Step 4: Simplify right side
    130,349.88x = 21,702,174,606.04
  5. Step 5: Solve for x
    x = 21,702,174,606.04/130,349.88
  6. Step 6: Final answer
    x = 166,491.71

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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.