Home / 131,426.10-196,973.01-71,452.08

Finding the Fourth Proportional to 131,426.10, 196,973.01 and 71,452.08

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Solution

The fourth proportional to 131,426.10, 196,973.01 and 71,452.08 is: 107,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,426.10 : 196,973.01 = 71,452.08 : x
  2. Step 2: Convert to fraction form
    131,426.10/196,973.01 = 71,452.08/x
  3. Step 3: Cross multiply
    131,426.10x = 196,973.01 × 71,452.08
  4. Step 4: Simplify right side
    131,426.10x = 14,074,131,268.36
  5. Step 5: Solve for x
    x = 14,074,131,268.36/131,426.10
  6. Step 6: Final answer
    x = 107,087.80

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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.