Home / 259,176.42-388,752.58-90,734.53

Finding the Fourth Proportional to 259,176.42, 388,752.58 and 90,734.53

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Solution

The fourth proportional to 259,176.42, 388,752.58 and 90,734.53 is: 136,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,176.42 : 388,752.58 = 90,734.53 : x
  2. Step 2: Convert to fraction form
    259,176.42/388,752.58 = 90,734.53/x
  3. Step 3: Cross multiply
    259,176.42x = 388,752.58 × 90,734.53
  4. Step 4: Simplify right side
    259,176.42x = 35,273,282,120.25
  5. Step 5: Solve for x
    x = 35,273,282,120.25/259,176.42
  6. Step 6: Final answer
    x = 136,097.58

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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.