Home / 165,330.41-247,990.14-71,836.16

Finding the Fourth Proportional to 165,330.41, 247,990.14 and 71,836.16

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Solution

The fourth proportional to 165,330.41, 247,990.14 and 71,836.16 is: 107,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,330.41 : 247,990.14 = 71,836.16 : x
  2. Step 2: Convert to fraction form
    165,330.41/247,990.14 = 71,836.16/x
  3. Step 3: Cross multiply
    165,330.41x = 247,990.14 × 71,836.16
  4. Step 4: Simplify right side
    165,330.41x = 17,814,658,135.51
  5. Step 5: Solve for x
    x = 17,814,658,135.51/165,330.41
  6. Step 6: Final answer
    x = 107,751.86

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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.