Home / 117,664.52-176,495.24-28,918.80

Finding the Fourth Proportional to 117,664.52, 176,495.24 and 28,918.80

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Solution

The fourth proportional to 117,664.52, 176,495.24 and 28,918.80 is: 43,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,664.52 : 176,495.24 = 28,918.80 : x
  2. Step 2: Convert to fraction form
    117,664.52/176,495.24 = 28,918.80/x
  3. Step 3: Cross multiply
    117,664.52x = 176,495.24 × 28,918.80
  4. Step 4: Simplify right side
    117,664.52x = 5,104,030,546.51
  5. Step 5: Solve for x
    x = 5,104,030,546.51/117,664.52
  6. Step 6: Final answer
    x = 43,377.82

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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.