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Finding the Fourth Proportional to 192,056.34, 288,131.24 and 63,972.30

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Solution

The fourth proportional to 192,056.34, 288,131.24 and 63,972.30 is: 95,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,056.34 : 288,131.24 = 63,972.30 : x
  2. Step 2: Convert to fraction form
    192,056.34/288,131.24 = 63,972.30/x
  3. Step 3: Cross multiply
    192,056.34x = 288,131.24 × 63,972.30
  4. Step 4: Simplify right side
    192,056.34x = 18,432,417,804.79
  5. Step 5: Solve for x
    x = 18,432,417,804.79/192,056.34
  6. Step 6: Final answer
    x = 95,974.01

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1.5x scale

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.