Home / 205,387.06-283,406.08-114,731.80

Finding the Fourth Proportional to 205,387.06, 283,406.08 and 114,731.80

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Solution

The fourth proportional to 205,387.06, 283,406.08 and 114,731.80 is: 158,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,387.06 : 283,406.08 = 114,731.80 : x
  2. Step 2: Convert to fraction form
    205,387.06/283,406.08 = 114,731.80/x
  3. Step 3: Cross multiply
    205,387.06x = 283,406.08 × 114,731.80
  4. Step 4: Simplify right side
    205,387.06x = 32,515,689,689.34
  5. Step 5: Solve for x
    x = 32,515,689,689.34/205,387.06
  6. Step 6: Final answer
    x = 158,314.21

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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.