Home / 168,037.58-231,888.94-91,557.31

Finding the Fourth Proportional to 168,037.58, 231,888.94 and 91,557.31

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Solution

The fourth proportional to 168,037.58, 231,888.94 and 91,557.31 is: 126,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,037.58 : 231,888.94 = 91,557.31 : x
  2. Step 2: Convert to fraction form
    168,037.58/231,888.94 = 91,557.31/x
  3. Step 3: Cross multiply
    168,037.58x = 231,888.94 × 91,557.31
  4. Step 4: Simplify right side
    168,037.58x = 21,231,127,565.15
  5. Step 5: Solve for x
    x = 21,231,127,565.15/168,037.58
  6. Step 6: Final answer
    x = 126,347.50

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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.