Home / 130,052.80-194,933.40-55,160.20

Finding the Fourth Proportional to 130,052.80, 194,933.40 and 55,160.20

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Solution

The fourth proportional to 130,052.80, 194,933.40 and 55,160.20 is: 82,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,052.80 : 194,933.40 = 55,160.20 : x
  2. Step 2: Convert to fraction form
    130,052.80/194,933.40 = 55,160.20/x
  3. Step 3: Cross multiply
    130,052.80x = 194,933.40 × 55,160.20
  4. Step 4: Simplify right side
    130,052.80x = 10,752,565,330.68
  5. Step 5: Solve for x
    x = 10,752,565,330.68/130,052.80
  6. Step 6: Final answer
    x = 82,678.46

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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.