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Finding the Fourth Proportional to 123,584.64, 185,398.48 and 60,448.34

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Solution

The fourth proportional to 123,584.64, 185,398.48 and 60,448.34 is: 90,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,584.64 : 185,398.48 = 60,448.34 : x
  2. Step 2: Convert to fraction form
    123,584.64/185,398.48 = 60,448.34/x
  3. Step 3: Cross multiply
    123,584.64x = 185,398.48 × 60,448.34
  4. Step 4: Simplify right side
    123,584.64x = 11,207,030,196.44
  5. Step 5: Solve for x
    x = 11,207,030,196.44/123,584.64
  6. Step 6: Final answer
    x = 90,683.04

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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.