Home / 253,825.10-350,271-139,102.34

Finding the Fourth Proportional to 253,825.10, 350,271 and 139,102.34

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Solution

The fourth proportional to 253,825.10, 350,271 and 139,102.34 is: 191,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,825.10 : 350,271 = 139,102.34 : x
  2. Step 2: Convert to fraction form
    253,825.10/350,271 = 139,102.34/x
  3. Step 3: Cross multiply
    253,825.10x = 350,271 × 139,102.34
  4. Step 4: Simplify right side
    253,825.10x = 48,723,515,734.14
  5. Step 5: Solve for x
    x = 48,723,515,734.14/253,825.10
  6. Step 6: Final answer
    x = 191,957.04

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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.