Home / 172,835.12-257,782.31-169,844.42

Finding the Fourth Proportional to 172,835.12, 257,782.31 and 169,844.42

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Solution

The fourth proportional to 172,835.12, 257,782.31 and 169,844.42 is: 253,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,835.12 : 257,782.31 = 169,844.42 : x
  2. Step 2: Convert to fraction form
    172,835.12/257,782.31 = 169,844.42/x
  3. Step 3: Cross multiply
    172,835.12x = 257,782.31 × 169,844.42
  4. Step 4: Simplify right side
    172,835.12x = 43,782,884,790.08
  5. Step 5: Solve for x
    x = 43,782,884,790.08/172,835.12
  6. Step 6: Final answer
    x = 253,321.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.