Home / 185,629.60-278,444.40-133,530.40

Finding the Fourth Proportional to 185,629.60, 278,444.40 and 133,530.40

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Solution

The fourth proportional to 185,629.60, 278,444.40 and 133,530.40 is: 200,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,629.60 : 278,444.40 = 133,530.40 : x
  2. Step 2: Convert to fraction form
    185,629.60/278,444.40 = 133,530.40/x
  3. Step 3: Cross multiply
    185,629.60x = 278,444.40 × 133,530.40
  4. Step 4: Simplify right side
    185,629.60x = 37,180,792,109.76
  5. Step 5: Solve for x
    x = 37,180,792,109.76/185,629.60
  6. Step 6: Final answer
    x = 200,295.60

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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.