Home / 143,276.30-214,914.45-92,756.60

Finding the Fourth Proportional to 143,276.30, 214,914.45 and 92,756.60

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Solution

The fourth proportional to 143,276.30, 214,914.45 and 92,756.60 is: 139,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,276.30 : 214,914.45 = 92,756.60 : x
  2. Step 2: Convert to fraction form
    143,276.30/214,914.45 = 92,756.60/x
  3. Step 3: Cross multiply
    143,276.30x = 214,914.45 × 92,756.60
  4. Step 4: Simplify right side
    143,276.30x = 19,934,733,672.87
  5. Step 5: Solve for x
    x = 19,934,733,672.87/143,276.30
  6. Step 6: Final answer
    x = 139,134.90

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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.