Home / 149,711.37-206,317.58-107,196.09

Finding the Fourth Proportional to 149,711.37, 206,317.58 and 107,196.09

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Solution

The fourth proportional to 149,711.37, 206,317.58 and 107,196.09 is: 147,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,711.37 : 206,317.58 = 107,196.09 : x
  2. Step 2: Convert to fraction form
    149,711.37/206,317.58 = 107,196.09/x
  3. Step 3: Cross multiply
    149,711.37x = 206,317.58 × 107,196.09
  4. Step 4: Simplify right side
    149,711.37x = 22,116,437,338.28
  5. Step 5: Solve for x
    x = 22,116,437,338.28/149,711.37
  6. Step 6: Final answer
    x = 147,727.17

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1.5x scale

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.