Home / 205,775.39-283,981.04-115,125.93

Finding the Fourth Proportional to 205,775.39, 283,981.04 and 115,125.93

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Solution

The fourth proportional to 205,775.39, 283,981.04 and 115,125.93 is: 158,879.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,775.39 : 283,981.04 = 115,125.93 : x
  2. Step 2: Convert to fraction form
    205,775.39/283,981.04 = 115,125.93/x
  3. Step 3: Cross multiply
    205,775.39x = 283,981.04 × 115,125.93
  4. Step 4: Simplify right side
    205,775.39x = 32,693,581,188.46
  5. Step 5: Solve for x
    x = 32,693,581,188.46/205,775.39
  6. Step 6: Final answer
    x = 158,879.94

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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.