Home / 143,688.83-215,533.24-43,849.53

Finding the Fourth Proportional to 143,688.83, 215,533.24 and 43,849.53

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Solution

The fourth proportional to 143,688.83, 215,533.24 and 43,849.53 is: 65,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,688.83 : 215,533.24 = 43,849.53 : x
  2. Step 2: Convert to fraction form
    143,688.83/215,533.24 = 43,849.53/x
  3. Step 3: Cross multiply
    143,688.83x = 215,533.24 × 43,849.53
  4. Step 4: Simplify right side
    143,688.83x = 9,451,031,163.75
  5. Step 5: Solve for x
    x = 9,451,031,163.75/143,688.83
  6. Step 6: Final answer
    x = 65,774.30

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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.