Home / 276,629.10-414,846.45-99,141.90

Finding the Fourth Proportional to 276,629.10, 414,846.45 and 99,141.90

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Solution

The fourth proportional to 276,629.10, 414,846.45 and 99,141.90 is: 148,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,629.10 : 414,846.45 = 99,141.90 : x
  2. Step 2: Convert to fraction form
    276,629.10/414,846.45 = 99,141.90/x
  3. Step 3: Cross multiply
    276,629.10x = 414,846.45 × 99,141.90
  4. Step 4: Simplify right side
    276,629.10x = 41,128,665,261.26
  5. Step 5: Solve for x
    x = 41,128,665,261.26/276,629.10
  6. Step 6: Final answer
    x = 148,678.01

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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.