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Finding the Fourth Proportional to 130,374.96, 195,568 and 55,484.88

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Solution

The fourth proportional to 130,374.96, 195,568 and 55,484.88 is: 83,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,374.96 : 195,568 = 55,484.88 : x
  2. Step 2: Convert to fraction form
    130,374.96/195,568 = 55,484.88/x
  3. Step 3: Cross multiply
    130,374.96x = 195,568 × 55,484.88
  4. Step 4: Simplify right side
    130,374.96x = 10,851,067,011.84
  5. Step 5: Solve for x
    x = 10,851,067,011.84/130,374.96
  6. Step 6: Final answer
    x = 83,229.69

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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.