Home / 248,621.40-373,077.90-90,865.80

Finding the Fourth Proportional to 248,621.40, 373,077.90 and 90,865.80

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Solution

The fourth proportional to 248,621.40, 373,077.90 and 90,865.80 is: 136,351.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,621.40 : 373,077.90 = 90,865.80 : x
  2. Step 2: Convert to fraction form
    248,621.40/373,077.90 = 90,865.80/x
  3. Step 3: Cross multiply
    248,621.40x = 373,077.90 × 90,865.80
  4. Step 4: Simplify right side
    248,621.40x = 33,900,021,845.82
  5. Step 5: Solve for x
    x = 33,900,021,845.82/248,621.40
  6. Step 6: Final answer
    x = 136,351.99

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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.