Home / 144,743.40-217,115.10-51,258.60

Finding the Fourth Proportional to 144,743.40, 217,115.10 and 51,258.60

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Solution

The fourth proportional to 144,743.40, 217,115.10 and 51,258.60 is: 76,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,743.40 : 217,115.10 = 51,258.60 : x
  2. Step 2: Convert to fraction form
    144,743.40/217,115.10 = 51,258.60/x
  3. Step 3: Cross multiply
    144,743.40x = 217,115.10 × 51,258.60
  4. Step 4: Simplify right side
    144,743.40x = 11,129,016,064.86
  5. Step 5: Solve for x
    x = 11,129,016,064.86/144,743.40
  6. Step 6: Final answer
    x = 76,887.90

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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.