Home / 171,948.70-257,923.05-112,162.60

Finding the Fourth Proportional to 171,948.70, 257,923.05 and 112,162.60

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Solution

The fourth proportional to 171,948.70, 257,923.05 and 112,162.60 is: 168,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,948.70 : 257,923.05 = 112,162.60 : x
  2. Step 2: Convert to fraction form
    171,948.70/257,923.05 = 112,162.60/x
  3. Step 3: Cross multiply
    171,948.70x = 257,923.05 × 112,162.60
  4. Step 4: Simplify right side
    171,948.70x = 28,929,319,887.93
  5. Step 5: Solve for x
    x = 28,929,319,887.93/171,948.70
  6. Step 6: Final answer
    x = 168,243.90

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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.