Home / 134,795.72-186,016.90-74,366.89

Finding the Fourth Proportional to 134,795.72, 186,016.90 and 74,366.89

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Solution

The fourth proportional to 134,795.72, 186,016.90 and 74,366.89 is: 102,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,795.72 : 186,016.90 = 74,366.89 : x
  2. Step 2: Convert to fraction form
    134,795.72/186,016.90 = 74,366.89/x
  3. Step 3: Cross multiply
    134,795.72x = 186,016.90 × 74,366.89
  4. Step 4: Simplify right side
    134,795.72x = 13,833,498,340.44
  5. Step 5: Solve for x
    x = 13,833,498,340.44/134,795.72
  6. Step 6: Final answer
    x = 102,625.65

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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.