Home / 110,406-152,360.40-60,105.12

Finding the Fourth Proportional to 110,406, 152,360.40 and 60,105.12

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Solution

The fourth proportional to 110,406, 152,360.40 and 60,105.12 is: 82,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,406 : 152,360.40 = 60,105.12 : x
  2. Step 2: Convert to fraction form
    110,406/152,360.40 = 60,105.12/x
  3. Step 3: Cross multiply
    110,406x = 152,360.40 × 60,105.12
  4. Step 4: Simplify right side
    110,406x = 9,157,640,125.25
  5. Step 5: Solve for x
    x = 9,157,640,125.25/110,406
  6. Step 6: Final answer
    x = 82,945.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.