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Finding the Fourth Proportional to 169,355.80, 233,741.46 and 97,725.88

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Solution

The fourth proportional to 169,355.80, 233,741.46 and 97,725.88 is: 134,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,355.80 : 233,741.46 = 97,725.88 : x
  2. Step 2: Convert to fraction form
    169,355.80/233,741.46 = 97,725.88/x
  3. Step 3: Cross multiply
    169,355.80x = 233,741.46 × 97,725.88
  4. Step 4: Simplify right side
    169,355.80x = 22,842,589,870.98
  5. Step 5: Solve for x
    x = 22,842,589,870.98/169,355.80
  6. Step 6: Final answer
    x = 134,879.29

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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.