Home / 205,740.32-283,922.04-115,097.79

Finding the Fourth Proportional to 205,740.32, 283,922.04 and 115,097.79

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Solution

The fourth proportional to 205,740.32, 283,922.04 and 115,097.79 is: 158,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,740.32 : 283,922.04 = 115,097.79 : x
  2. Step 2: Convert to fraction form
    205,740.32/283,922.04 = 115,097.79/x
  3. Step 3: Cross multiply
    205,740.32x = 283,922.04 × 115,097.79
  4. Step 4: Simplify right side
    205,740.32x = 32,678,799,336.29
  5. Step 5: Solve for x
    x = 32,678,799,336.29/205,740.32
  6. Step 6: Final answer
    x = 158,835.18

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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.