Home / 130,748.51-196,122.33-73,796.60

Finding the Fourth Proportional to 130,748.51, 196,122.33 and 73,796.60

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Solution

The fourth proportional to 130,748.51, 196,122.33 and 73,796.60 is: 110,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,748.51 : 196,122.33 = 73,796.60 : x
  2. Step 2: Convert to fraction form
    130,748.51/196,122.33 = 73,796.60/x
  3. Step 3: Cross multiply
    130,748.51x = 196,122.33 × 73,796.60
  4. Step 4: Simplify right side
    130,748.51x = 14,473,161,138.08
  5. Step 5: Solve for x
    x = 14,473,161,138.08/130,748.51
  6. Step 6: Final answer
    x = 110,694.65

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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.