Home / 185,399.28-255,835.26-104,815.62

Finding the Fourth Proportional to 185,399.28, 255,835.26 and 104,815.62

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Solution

The fourth proportional to 185,399.28, 255,835.26 and 104,815.62 is: 144,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,399.28 : 255,835.26 = 104,815.62 : x
  2. Step 2: Convert to fraction form
    185,399.28/255,835.26 = 104,815.62/x
  3. Step 3: Cross multiply
    185,399.28x = 255,835.26 × 104,815.62
  4. Step 4: Simplify right side
    185,399.28x = 26,815,531,394.76
  5. Step 5: Solve for x
    x = 26,815,531,394.76/185,399.28
  6. Step 6: Final answer
    x = 144,636.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.