Home / 130,306.44-195,522-73,425.72

Finding the Fourth Proportional to 130,306.44, 195,522 and 73,425.72

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Solution

The fourth proportional to 130,306.44, 195,522 and 73,425.72 is: 110,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,306.44 : 195,522 = 73,425.72 : x
  2. Step 2: Convert to fraction form
    130,306.44/195,522 = 73,425.72/x
  3. Step 3: Cross multiply
    130,306.44x = 195,522 × 73,425.72
  4. Step 4: Simplify right side
    130,306.44x = 14,356,343,625.84
  5. Step 5: Solve for x
    x = 14,356,343,625.84/130,306.44
  6. Step 6: Final answer
    x = 110,173.71

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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.