Home / 190,128.10-262,375.80-104,094.90

Finding the Fourth Proportional to 190,128.10, 262,375.80 and 104,094.90

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Solution

The fourth proportional to 190,128.10, 262,375.80 and 104,094.90 is: 143,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128.10 : 262,375.80 = 104,094.90 : x
  2. Step 2: Convert to fraction form
    190,128.10/262,375.80 = 104,094.90/x
  3. Step 3: Cross multiply
    190,128.10x = 262,375.80 × 104,094.90
  4. Step 4: Simplify right side
    190,128.10x = 27,311,982,663.42
  5. Step 5: Solve for x
    x = 27,311,982,663.42/190,128.10
  6. Step 6: Final answer
    x = 143,650.43

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1.5x scale

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.