Home / 248,103.28-342,256.28-162,112.53

Finding the Fourth Proportional to 248,103.28, 342,256.28 and 162,112.53

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Solution

The fourth proportional to 248,103.28, 342,256.28 and 162,112.53 is: 223,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,103.28 : 342,256.28 = 162,112.53 : x
  2. Step 2: Convert to fraction form
    248,103.28/342,256.28 = 162,112.53/x
  3. Step 3: Cross multiply
    248,103.28x = 342,256.28 × 162,112.53
  4. Step 4: Simplify right side
    248,103.28x = 55,484,029,956.18
  5. Step 5: Solve for x
    x = 55,484,029,956.18/248,103.28
  6. Step 6: Final answer
    x = 223,632.80

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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.