Home / 248,222.50-342,532.56-139,316.72

Finding the Fourth Proportional to 248,222.50, 342,532.56 and 139,316.72

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Solution

The fourth proportional to 248,222.50, 342,532.56 and 139,316.72 is: 192,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,222.50 : 342,532.56 = 139,316.72 : x
  2. Step 2: Convert to fraction form
    248,222.50/342,532.56 = 139,316.72/x
  3. Step 3: Cross multiply
    248,222.50x = 342,532.56 × 139,316.72
  4. Step 4: Simplify right side
    248,222.50x = 47,720,511,562.18
  5. Step 5: Solve for x
    x = 47,720,511,562.18/248,222.50
  6. Step 6: Final answer
    x = 192,248.94

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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.