Home / 109,974.53-164,928.88-57,355.31

Finding the Fourth Proportional to 109,974.53, 164,928.88 and 57,355.31

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Solution

The fourth proportional to 109,974.53, 164,928.88 and 57,355.31 is: 86,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,974.53 : 164,928.88 = 57,355.31 : x
  2. Step 2: Convert to fraction form
    109,974.53/164,928.88 = 57,355.31/x
  3. Step 3: Cross multiply
    109,974.53x = 164,928.88 × 57,355.31
  4. Step 4: Simplify right side
    109,974.53x = 9,459,547,040.35
  5. Step 5: Solve for x
    x = 9,459,547,040.35/109,974.53
  6. Step 6: Final answer
    x = 86,015.80

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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.