Home / 145,179.52-217,749.44-39,983.36

Finding the Fourth Proportional to 145,179.52, 217,749.44 and 39,983.36

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Solution

The fourth proportional to 145,179.52, 217,749.44 and 39,983.36 is: 59,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,179.52 : 217,749.44 = 39,983.36 : x
  2. Step 2: Convert to fraction form
    145,179.52/217,749.44 = 39,983.36/x
  3. Step 3: Cross multiply
    145,179.52x = 217,749.44 × 39,983.36
  4. Step 4: Simplify right side
    145,179.52x = 8,706,354,249.32
  5. Step 5: Solve for x
    x = 8,706,354,249.32/145,179.52
  6. Step 6: Final answer
    x = 59,969.58

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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.