Home / 171,278.93-257,212.43-105,107.60

Finding the Fourth Proportional to 171,278.93, 257,212.43 and 105,107.60

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Solution

The fourth proportional to 171,278.93, 257,212.43 and 105,107.60 is: 157,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,278.93 : 257,212.43 = 105,107.60 : x
  2. Step 2: Convert to fraction form
    171,278.93/257,212.43 = 105,107.60/x
  3. Step 3: Cross multiply
    171,278.93x = 257,212.43 × 105,107.60
  4. Step 4: Simplify right side
    171,278.93x = 27,034,980,681.93
  5. Step 5: Solve for x
    x = 27,034,980,681.93/171,278.93
  6. Step 6: Final answer
    x = 157,841.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.