Home / 218,696.48-301,823.44-133,869.60

Finding the Fourth Proportional to 218,696.48, 301,823.44 and 133,869.60

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Solution

The fourth proportional to 218,696.48, 301,823.44 and 133,869.60 is: 184,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,696.48 : 301,823.44 = 133,869.60 : x
  2. Step 2: Convert to fraction form
    218,696.48/301,823.44 = 133,869.60/x
  3. Step 3: Cross multiply
    218,696.48x = 301,823.44 × 133,869.60
  4. Step 4: Simplify right side
    218,696.48x = 40,404,983,183.42
  5. Step 5: Solve for x
    x = 40,404,983,183.42/218,696.48
  6. Step 6: Final answer
    x = 184,753.70

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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.