Home / 170,741.86-256,047.15-117,991.42

Finding the Fourth Proportional to 170,741.86, 256,047.15 and 117,991.42

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Solution

The fourth proportional to 170,741.86, 256,047.15 and 117,991.42 is: 176,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,741.86 : 256,047.15 = 117,991.42 : x
  2. Step 2: Convert to fraction form
    170,741.86/256,047.15 = 117,991.42/x
  3. Step 3: Cross multiply
    170,741.86x = 256,047.15 × 117,991.42
  4. Step 4: Simplify right side
    170,741.86x = 30,211,366,815.45
  5. Step 5: Solve for x
    x = 30,211,366,815.45/170,741.86
  6. Step 6: Final answer
    x = 176,941.77

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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.