Home / 110,179.32-165,239.46-47,835

Finding the Fourth Proportional to 110,179.32, 165,239.46 and 47,835

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Solution

The fourth proportional to 110,179.32, 165,239.46 and 47,835 is: 71,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,179.32 : 165,239.46 = 47,835 : x
  2. Step 2: Convert to fraction form
    110,179.32/165,239.46 = 47,835/x
  3. Step 3: Cross multiply
    110,179.32x = 165,239.46 × 47,835
  4. Step 4: Simplify right side
    110,179.32x = 7,904,229,569.10
  5. Step 5: Solve for x
    x = 7,904,229,569.10/110,179.32
  6. Step 6: Final answer
    x = 71,739.68

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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.