Home / 218,944.80-302,146.74-132,879.06

Finding the Fourth Proportional to 218,944.80, 302,146.74 and 132,879.06

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Solution

The fourth proportional to 218,944.80, 302,146.74 and 132,879.06 is: 183,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,944.80 : 302,146.74 = 132,879.06 : x
  2. Step 2: Convert to fraction form
    218,944.80/302,146.74 = 132,879.06/x
  3. Step 3: Cross multiply
    218,944.80x = 302,146.74 × 132,879.06
  4. Step 4: Simplify right side
    218,944.80x = 40,148,974,793.26
  5. Step 5: Solve for x
    x = 40,148,974,793.26/218,944.80
  6. Step 6: Final answer
    x = 183,374.87

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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.