Home / 121,734.14-182,601.23-79,879.05

Finding the Fourth Proportional to 121,734.14, 182,601.23 and 79,879.05

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Solution

The fourth proportional to 121,734.14, 182,601.23 and 79,879.05 is: 119,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,734.14 : 182,601.23 = 79,879.05 : x
  2. Step 2: Convert to fraction form
    121,734.14/182,601.23 = 79,879.05/x
  3. Step 3: Cross multiply
    121,734.14x = 182,601.23 × 79,879.05
  4. Step 4: Simplify right side
    121,734.14x = 14,586,012,381.84
  5. Step 5: Solve for x
    x = 14,586,012,381.84/121,734.14
  6. Step 6: Final answer
    x = 119,818.59

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1.5x scale

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.