Home / 121,269.56-166,140.09-116,724.23

Finding the Fourth Proportional to 121,269.56, 166,140.09 and 116,724.23

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Solution

The fourth proportional to 121,269.56, 166,140.09 and 116,724.23 is: 159,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,269.56 : 166,140.09 = 116,724.23 : x
  2. Step 2: Convert to fraction form
    121,269.56/166,140.09 = 116,724.23/x
  3. Step 3: Cross multiply
    121,269.56x = 166,140.09 × 116,724.23
  4. Step 4: Simplify right side
    121,269.56x = 19,392,573,246.68
  5. Step 5: Solve for x
    x = 19,392,573,246.68/121,269.56
  6. Step 6: Final answer
    x = 159,912.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.