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Finding the Fourth Proportional to 195,158.69, 269,220.30 and 130,630.64

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Solution

The fourth proportional to 195,158.69, 269,220.30 and 130,630.64 is: 180,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,158.69 : 269,220.30 = 130,630.64 : x
  2. Step 2: Convert to fraction form
    195,158.69/269,220.30 = 130,630.64/x
  3. Step 3: Cross multiply
    195,158.69x = 269,220.30 × 130,630.64
  4. Step 4: Simplify right side
    195,158.69x = 35,168,418,743.89
  5. Step 5: Solve for x
    x = 35,168,418,743.89/195,158.69
  6. Step 6: Final answer
    x = 180,204.22

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