Home / 130,696.22-195,728.56-74,365.70

Finding the Fourth Proportional to 130,696.22, 195,728.56 and 74,365.70

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Solution

The fourth proportional to 130,696.22, 195,728.56 and 74,365.70 is: 111,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,696.22 : 195,728.56 = 74,365.70 : x
  2. Step 2: Convert to fraction form
    130,696.22/195,728.56 = 74,365.70/x
  3. Step 3: Cross multiply
    130,696.22x = 195,728.56 × 74,365.70
  4. Step 4: Simplify right side
    130,696.22x = 14,555,491,374.39
  5. Step 5: Solve for x
    x = 14,555,491,374.39/130,696.22
  6. Step 6: Final answer
    x = 111,368.88

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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.