Home / 117,418.82-176,155.56-38,528.26

Finding the Fourth Proportional to 117,418.82, 176,155.56 and 38,528.26

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Solution

The fourth proportional to 117,418.82, 176,155.56 and 38,528.26 is: 57,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,418.82 : 176,155.56 = 38,528.26 : x
  2. Step 2: Convert to fraction form
    117,418.82/176,155.56 = 38,528.26/x
  3. Step 3: Cross multiply
    117,418.82x = 176,155.56 × 38,528.26
  4. Step 4: Simplify right side
    117,418.82x = 6,786,966,775.74
  5. Step 5: Solve for x
    x = 6,786,966,775.74/117,418.82
  6. Step 6: Final answer
    x = 57,801.36

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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.