Home / 170,742.36-256,047.90-117,991.92

Finding the Fourth Proportional to 170,742.36, 256,047.90 and 117,991.92

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Solution

The fourth proportional to 170,742.36, 256,047.90 and 117,991.92 is: 176,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,742.36 : 256,047.90 = 117,991.92 : x
  2. Step 2: Convert to fraction form
    170,742.36/256,047.90 = 117,991.92/x
  3. Step 3: Cross multiply
    170,742.36x = 256,047.90 × 117,991.92
  4. Step 4: Simplify right side
    170,742.36x = 30,211,583,332.97
  5. Step 5: Solve for x
    x = 30,211,583,332.97/170,742.36
  6. Step 6: Final answer
    x = 176,942.52

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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.