Home / 165,095.20-247,642.80-40,436.20

Finding the Fourth Proportional to 165,095.20, 247,642.80 and 40,436.20

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Solution

The fourth proportional to 165,095.20, 247,642.80 and 40,436.20 is: 60,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,095.20 : 247,642.80 = 40,436.20 : x
  2. Step 2: Convert to fraction form
    165,095.20/247,642.80 = 40,436.20/x
  3. Step 3: Cross multiply
    165,095.20x = 247,642.80 × 40,436.20
  4. Step 4: Simplify right side
    165,095.20x = 10,013,733,789.36
  5. Step 5: Solve for x
    x = 10,013,733,789.36/165,095.20
  6. Step 6: Final answer
    x = 60,654.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.