Home / 180,654.07-249,304.36-100,083.31

Finding the Fourth Proportional to 180,654.07, 249,304.36 and 100,083.31

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Solution

The fourth proportional to 180,654.07, 249,304.36 and 100,083.31 is: 138,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,654.07 : 249,304.36 = 100,083.31 : x
  2. Step 2: Convert to fraction form
    180,654.07/249,304.36 = 100,083.31/x
  3. Step 3: Cross multiply
    180,654.07x = 249,304.36 × 100,083.31
  4. Step 4: Simplify right side
    180,654.07x = 24,951,205,546.23
  5. Step 5: Solve for x
    x = 24,951,205,546.23/180,654.07
  6. Step 6: Final answer
    x = 138,115.93

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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.