Home / 104,336.85-156,448.64-47,379.48

Finding the Fourth Proportional to 104,336.85, 156,448.64 and 47,379.48

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Solution

The fourth proportional to 104,336.85, 156,448.64 and 47,379.48 is: 71,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,336.85 : 156,448.64 = 47,379.48 : x
  2. Step 2: Convert to fraction form
    104,336.85/156,448.64 = 47,379.48/x
  3. Step 3: Cross multiply
    104,336.85x = 156,448.64 × 47,379.48
  4. Step 4: Simplify right side
    104,336.85x = 7,412,454,973.01
  5. Step 5: Solve for x
    x = 7,412,454,973.01/104,336.85
  6. Step 6: Final answer
    x = 71,043.50

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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.