Home / 109,916-164,763.22-43,330.36

Finding the Fourth Proportional to 109,916, 164,763.22 and 43,330.36

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Solution

The fourth proportional to 109,916, 164,763.22 and 43,330.36 is: 64,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916 : 164,763.22 = 43,330.36 : x
  2. Step 2: Convert to fraction form
    109,916/164,763.22 = 43,330.36/x
  3. Step 3: Cross multiply
    109,916x = 164,763.22 × 43,330.36
  4. Step 4: Simplify right side
    109,916x = 7,139,249,637.36
  5. Step 5: Solve for x
    x = 7,139,249,637.36/109,916
  6. Step 6: Final answer
    x = 64,951.87

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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.