Home / 185,619.60-278,429.40-159,047.55

Finding the Fourth Proportional to 185,619.60, 278,429.40 and 159,047.55

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Solution

The fourth proportional to 185,619.60, 278,429.40 and 159,047.55 is: 238,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,619.60 : 278,429.40 = 159,047.55 : x
  2. Step 2: Convert to fraction form
    185,619.60/278,429.40 = 159,047.55/x
  3. Step 3: Cross multiply
    185,619.60x = 278,429.40 × 159,047.55
  4. Step 4: Simplify right side
    185,619.60x = 44,283,513,917.97
  5. Step 5: Solve for x
    x = 44,283,513,917.97/185,619.60
  6. Step 6: Final answer
    x = 238,571.33

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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.