Home / 143,225.28-214,850.88-43,385.76

Finding the Fourth Proportional to 143,225.28, 214,850.88 and 43,385.76

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Solution

The fourth proportional to 143,225.28, 214,850.88 and 43,385.76 is: 65,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.28 : 214,850.88 = 43,385.76 : x
  2. Step 2: Convert to fraction form
    143,225.28/214,850.88 = 43,385.76/x
  3. Step 3: Cross multiply
    143,225.28x = 214,850.88 × 43,385.76
  4. Step 4: Simplify right side
    143,225.28x = 9,321,468,715.47
  5. Step 5: Solve for x
    x = 9,321,468,715.47/143,225.28
  6. Step 6: Final answer
    x = 65,082.57

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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.