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Finding the Fourth Proportional to 168,042.10, 231,914.44 and 125,526.82

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Solution

The fourth proportional to 168,042.10, 231,914.44 and 125,526.82 is: 173,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,042.10 : 231,914.44 = 125,526.82 : x
  2. Step 2: Convert to fraction form
    168,042.10/231,914.44 = 125,526.82/x
  3. Step 3: Cross multiply
    168,042.10x = 231,914.44 × 125,526.82
  4. Step 4: Simplify right side
    168,042.10x = 29,111,482,165.28
  5. Step 5: Solve for x
    x = 29,111,482,165.28/168,042.10
  6. Step 6: Final answer
    x = 173,239.22

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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.