Home / 109,578.18-164,419.34-75,896.04

Finding the Fourth Proportional to 109,578.18, 164,419.34 and 75,896.04

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Solution

The fourth proportional to 109,578.18, 164,419.34 and 75,896.04 is: 113,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,578.18 : 164,419.34 = 75,896.04 : x
  2. Step 2: Convert to fraction form
    109,578.18/164,419.34 = 75,896.04/x
  3. Step 3: Cross multiply
    109,578.18x = 164,419.34 × 75,896.04
  4. Step 4: Simplify right side
    109,578.18x = 12,478,776,117.65
  5. Step 5: Solve for x
    x = 12,478,776,117.65/109,578.18
  6. Step 6: Final answer
    x = 113,880.11

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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.