Home / 143,121.53-214,649.49-64,258.31

Finding the Fourth Proportional to 143,121.53, 214,649.49 and 64,258.31

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Solution

The fourth proportional to 143,121.53, 214,649.49 and 64,258.31 is: 96,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,121.53 : 214,649.49 = 64,258.31 : x
  2. Step 2: Convert to fraction form
    143,121.53/214,649.49 = 64,258.31/x
  3. Step 3: Cross multiply
    143,121.53x = 214,649.49 × 64,258.31
  4. Step 4: Simplify right side
    143,121.53x = 13,793,014,247.35
  5. Step 5: Solve for x
    x = 13,793,014,247.35/143,121.53
  6. Step 6: Final answer
    x = 96,372.74

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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.