Home / 205,409.13-283,462.65-114,780.71

Finding the Fourth Proportional to 205,409.13, 283,462.65 and 114,780.71

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Solution

The fourth proportional to 205,409.13, 283,462.65 and 114,780.71 is: 158,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,409.13 : 283,462.65 = 114,780.71 : x
  2. Step 2: Convert to fraction form
    205,409.13/283,462.65 = 114,780.71/x
  3. Step 3: Cross multiply
    205,409.13x = 283,462.65 × 114,780.71
  4. Step 4: Simplify right side
    205,409.13x = 32,536,042,808.17
  5. Step 5: Solve for x
    x = 32,536,042,808.17/205,409.13
  6. Step 6: Final answer
    x = 158,396.28

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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.