Home / 130,429.20-195,716.70-55,536.60

Finding the Fourth Proportional to 130,429.20, 195,716.70 and 55,536.60

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Solution

The fourth proportional to 130,429.20, 195,716.70 and 55,536.60 is: 83,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,429.20 : 195,716.70 = 55,536.60 : x
  2. Step 2: Convert to fraction form
    130,429.20/195,716.70 = 55,536.60/x
  3. Step 3: Cross multiply
    130,429.20x = 195,716.70 × 55,536.60
  4. Step 4: Simplify right side
    130,429.20x = 10,869,440,081.22
  5. Step 5: Solve for x
    x = 10,869,440,081.22/130,429.20
  6. Step 6: Final answer
    x = 83,335.94

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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.