Home / 205,668.12-283,800.06-115,014.72

Finding the Fourth Proportional to 205,668.12, 283,800.06 and 115,014.72

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Solution

The fourth proportional to 205,668.12, 283,800.06 and 115,014.72 is: 158,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,668.12 : 283,800.06 = 115,014.72 : x
  2. Step 2: Convert to fraction form
    205,668.12/283,800.06 = 115,014.72/x
  3. Step 3: Cross multiply
    205,668.12x = 283,800.06 × 115,014.72
  4. Step 4: Simplify right side
    205,668.12x = 32,641,184,436.88
  5. Step 5: Solve for x
    x = 32,641,184,436.88/205,668.12
  6. Step 6: Final answer
    x = 158,708.04

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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.