Home / 130,860.60-196,318.80-74,727.60

Finding the Fourth Proportional to 130,860.60, 196,318.80 and 74,727.60

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Solution

The fourth proportional to 130,860.60, 196,318.80 and 74,727.60 is: 112,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,860.60 : 196,318.80 = 74,727.60 : x
  2. Step 2: Convert to fraction form
    130,860.60/196,318.80 = 74,727.60/x
  3. Step 3: Cross multiply
    130,860.60x = 196,318.80 × 74,727.60
  4. Step 4: Simplify right side
    130,860.60x = 14,670,432,758.88
  5. Step 5: Solve for x
    x = 14,670,432,758.88/130,860.60
  6. Step 6: Final answer
    x = 112,107.33

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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.