Home / 149,410.56-206,106.48-95,637.72

Finding the Fourth Proportional to 149,410.56, 206,106.48 and 95,637.72

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Solution

The fourth proportional to 149,410.56, 206,106.48 and 95,637.72 is: 131,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,410.56 : 206,106.48 = 95,637.72 : x
  2. Step 2: Convert to fraction form
    149,410.56/206,106.48 = 95,637.72/x
  3. Step 3: Cross multiply
    149,410.56x = 206,106.48 × 95,637.72
  4. Step 4: Simplify right side
    149,410.56x = 19,711,553,824.43
  5. Step 5: Solve for x
    x = 19,711,553,824.43/149,410.56
  6. Step 6: Final answer
    x = 131,928.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.