Home / 131,457.34-197,107.03-51,399.92

Finding the Fourth Proportional to 131,457.34, 197,107.03 and 51,399.92

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Solution

The fourth proportional to 131,457.34, 197,107.03 and 51,399.92 is: 77,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,457.34 : 197,107.03 = 51,399.92 : x
  2. Step 2: Convert to fraction form
    131,457.34/197,107.03 = 51,399.92/x
  3. Step 3: Cross multiply
    131,457.34x = 197,107.03 × 51,399.92
  4. Step 4: Simplify right side
    131,457.34x = 10,131,285,573.44
  5. Step 5: Solve for x
    x = 10,131,285,573.44/131,457.34
  6. Step 6: Final answer
    x = 77,069.00

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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.