Home / 248,072.90-342,312.09-140,621.54

Finding the Fourth Proportional to 248,072.90, 342,312.09 and 140,621.54

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Solution

The fourth proportional to 248,072.90, 342,312.09 and 140,621.54 is: 194,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,072.90 : 342,312.09 = 140,621.54 : x
  2. Step 2: Convert to fraction form
    248,072.90/342,312.09 = 140,621.54/x
  3. Step 3: Cross multiply
    248,072.90x = 342,312.09 × 140,621.54
  4. Step 4: Simplify right side
    248,072.90x = 48,136,453,256.42
  5. Step 5: Solve for x
    x = 48,136,453,256.42/248,072.90
  6. Step 6: Final answer
    x = 194,041.56

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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.