Home / 109,975.53-164,930.38-57,356.31

Finding the Fourth Proportional to 109,975.53, 164,930.38 and 57,356.31

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Solution

The fourth proportional to 109,975.53, 164,930.38 and 57,356.31 is: 86,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,975.53 : 164,930.38 = 57,356.31 : x
  2. Step 2: Convert to fraction form
    109,975.53/164,930.38 = 57,356.31/x
  3. Step 3: Cross multiply
    109,975.53x = 164,930.38 × 57,356.31
  4. Step 4: Simplify right side
    109,975.53x = 9,459,798,003.70
  5. Step 5: Solve for x
    x = 9,459,798,003.70/109,975.53
  6. Step 6: Final answer
    x = 86,017.30

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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.