Home / 130,015.40-195,008.70-36,530.60

Finding the Fourth Proportional to 130,015.40, 195,008.70 and 36,530.60

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Solution

The fourth proportional to 130,015.40, 195,008.70 and 36,530.60 is: 54,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,015.40 : 195,008.70 = 36,530.60 : x
  2. Step 2: Convert to fraction form
    130,015.40/195,008.70 = 36,530.60/x
  3. Step 3: Cross multiply
    130,015.40x = 195,008.70 × 36,530.60
  4. Step 4: Simplify right side
    130,015.40x = 7,123,784,816.22
  5. Step 5: Solve for x
    x = 7,123,784,816.22/130,015.40
  6. Step 6: Final answer
    x = 54,791.85

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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.