Home / 143,113.46-214,670.93-83,907.61

Finding the Fourth Proportional to 143,113.46, 214,670.93 and 83,907.61

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Solution

The fourth proportional to 143,113.46, 214,670.93 and 83,907.61 is: 125,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,113.46 : 214,670.93 = 83,907.61 : x
  2. Step 2: Convert to fraction form
    143,113.46/214,670.93 = 83,907.61/x
  3. Step 3: Cross multiply
    143,113.46x = 214,670.93 × 83,907.61
  4. Step 4: Simplify right side
    143,113.46x = 18,012,523,179.88
  5. Step 5: Solve for x
    x = 18,012,523,179.88/143,113.46
  6. Step 6: Final answer
    x = 125,861.84

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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.