Home / 104,961.36-157,395.72-30,064.59

Finding the Fourth Proportional to 104,961.36, 157,395.72 and 30,064.59

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Solution

The fourth proportional to 104,961.36, 157,395.72 and 30,064.59 is: 45,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,961.36 : 157,395.72 = 30,064.59 : x
  2. Step 2: Convert to fraction form
    104,961.36/157,395.72 = 30,064.59/x
  3. Step 3: Cross multiply
    104,961.36x = 157,395.72 × 30,064.59
  4. Step 4: Simplify right side
    104,961.36x = 4,732,037,789.55
  5. Step 5: Solve for x
    x = 4,732,037,789.55/104,961.36
  6. Step 6: Final answer
    x = 45,083.62

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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.