Home / 185,880.42-278,818.20-45,640.26

Finding the Fourth Proportional to 185,880.42, 278,818.20 and 45,640.26

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Solution

The fourth proportional to 185,880.42, 278,818.20 and 45,640.26 is: 68,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,880.42 : 278,818.20 = 45,640.26 : x
  2. Step 2: Convert to fraction form
    185,880.42/278,818.20 = 45,640.26/x
  3. Step 3: Cross multiply
    185,880.42x = 278,818.20 × 45,640.26
  4. Step 4: Simplify right side
    185,880.42x = 12,725,335,140.73
  5. Step 5: Solve for x
    x = 12,725,335,140.73/185,880.42
  6. Step 6: Final answer
    x = 68,459.79

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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.