Home / 118,276.68-177,349.38-39,347.82

Finding the Fourth Proportional to 118,276.68, 177,349.38 and 39,347.82

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Solution

The fourth proportional to 118,276.68, 177,349.38 and 39,347.82 is: 58,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,276.68 : 177,349.38 = 39,347.82 : x
  2. Step 2: Convert to fraction form
    118,276.68/177,349.38 = 39,347.82/x
  3. Step 3: Cross multiply
    118,276.68x = 177,349.38 × 39,347.82
  4. Step 4: Simplify right side
    118,276.68x = 6,978,311,481.35
  5. Step 5: Solve for x
    x = 6,978,311,481.35/118,276.68
  6. Step 6: Final answer
    x = 58,999.89

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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.