Home / 126,462.20-189,704.10-43,356.20

Finding the Fourth Proportional to 126,462.20, 189,704.10 and 43,356.20

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Solution

The fourth proportional to 126,462.20, 189,704.10 and 43,356.20 is: 65,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,462.20 : 189,704.10 = 43,356.20 : x
  2. Step 2: Convert to fraction form
    126,462.20/189,704.10 = 43,356.20/x
  3. Step 3: Cross multiply
    126,462.20x = 189,704.10 × 43,356.20
  4. Step 4: Simplify right side
    126,462.20x = 8,224,848,900.42
  5. Step 5: Solve for x
    x = 8,224,848,900.42/126,462.20
  6. Step 6: Final answer
    x = 65,038.00

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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.