Home / 205,386.30-283,405.05-114,731.06

Finding the Fourth Proportional to 205,386.30, 283,405.05 and 114,731.06

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Solution

The fourth proportional to 205,386.30, 283,405.05 and 114,731.06 is: 158,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,386.30 : 283,405.05 = 114,731.06 : x
  2. Step 2: Convert to fraction form
    205,386.30/283,405.05 = 114,731.06/x
  3. Step 3: Cross multiply
    205,386.30x = 283,405.05 × 114,731.06
  4. Step 4: Simplify right side
    205,386.30x = 32,515,360,378.83
  5. Step 5: Solve for x
    x = 32,515,360,378.83/205,386.30
  6. Step 6: Final answer
    x = 158,313.19

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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.