Home / 165,039.82-247,519.90-76,207.93

Finding the Fourth Proportional to 165,039.82, 247,519.90 and 76,207.93

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Solution

The fourth proportional to 165,039.82, 247,519.90 and 76,207.93 is: 114,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039.82 : 247,519.90 = 76,207.93 : x
  2. Step 2: Convert to fraction form
    165,039.82/247,519.90 = 76,207.93/x
  3. Step 3: Cross multiply
    165,039.82x = 247,519.90 × 76,207.93
  4. Step 4: Simplify right side
    165,039.82x = 18,862,979,212.81
  5. Step 5: Solve for x
    x = 18,862,979,212.81/165,039.82
  6. Step 6: Final answer
    x = 114,293.50

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1.5x scale

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.