Home / 143,258.85-214,592.96-83,914.61

Finding the Fourth Proportional to 143,258.85, 214,592.96 and 83,914.61

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Solution

The fourth proportional to 143,258.85, 214,592.96 and 83,914.61 is: 125,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,258.85 : 214,592.96 = 83,914.61 : x
  2. Step 2: Convert to fraction form
    143,258.85/214,592.96 = 83,914.61/x
  3. Step 3: Cross multiply
    143,258.85x = 214,592.96 × 83,914.61
  4. Step 4: Simplify right side
    143,258.85x = 18,007,483,054.61
  5. Step 5: Solve for x
    x = 18,007,483,054.61/143,258.85
  6. Step 6: Final answer
    x = 125,698.92

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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.