Home / 126,474.20-189,722.10-43,368.20

Finding the Fourth Proportional to 126,474.20, 189,722.10 and 43,368.20

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Solution

The fourth proportional to 126,474.20, 189,722.10 and 43,368.20 is: 65,056.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,474.20 : 189,722.10 = 43,368.20 : x
  2. Step 2: Convert to fraction form
    126,474.20/189,722.10 = 43,368.20/x
  3. Step 3: Cross multiply
    126,474.20x = 189,722.10 × 43,368.20
  4. Step 4: Simplify right side
    126,474.20x = 8,227,905,977.22
  5. Step 5: Solve for x
    x = 8,227,905,977.22/126,474.20
  6. Step 6: Final answer
    x = 65,056.00

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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.