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Finding the Fourth Proportional to 164,963.61, 227,548.31 and 143,793.45

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Solution

The fourth proportional to 164,963.61, 227,548.31 and 143,793.45 is: 198,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,963.61 : 227,548.31 = 143,793.45 : x
  2. Step 2: Convert to fraction form
    164,963.61/227,548.31 = 143,793.45/x
  3. Step 3: Cross multiply
    164,963.61x = 227,548.31 × 143,793.45
  4. Step 4: Simplify right side
    164,963.61x = 32,719,955,817.60
  5. Step 5: Solve for x
    x = 32,719,955,817.60/164,963.61
  6. Step 6: Final answer
    x = 198,346.51

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1.5x scale

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.