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Finding the Fourth Proportional to 146,871.88, 202,682.82 and 79,803.88

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Solution

The fourth proportional to 146,871.88, 202,682.82 and 79,803.88 is: 110,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,871.88 : 202,682.82 = 79,803.88 : x
  2. Step 2: Convert to fraction form
    146,871.88/202,682.82 = 79,803.88/x
  3. Step 3: Cross multiply
    146,871.88x = 202,682.82 × 79,803.88
  4. Step 4: Simplify right side
    146,871.88x = 16,174,875,445.34
  5. Step 5: Solve for x
    x = 16,174,875,445.34/146,871.88
  6. Step 6: Final answer
    x = 110,129.15

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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.