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Finding the Fourth Proportional to 146,304.90, 201,898.34 and 81,775.64

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Solution

The fourth proportional to 146,304.90, 201,898.34 and 81,775.64 is: 112,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,304.90 : 201,898.34 = 81,775.64 : x
  2. Step 2: Convert to fraction form
    146,304.90/201,898.34 = 81,775.64/x
  3. Step 3: Cross multiply
    146,304.90x = 201,898.34 × 81,775.64
  4. Step 4: Simplify right side
    146,304.90x = 16,510,365,968.44
  5. Step 5: Solve for x
    x = 16,510,365,968.44/146,304.90
  6. Step 6: Final answer
    x = 112,849.03

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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.