Home / 165,032.36-247,508.80-76,200.56

Finding the Fourth Proportional to 165,032.36, 247,508.80 and 76,200.56

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Solution

The fourth proportional to 165,032.36, 247,508.80 and 76,200.56 is: 114,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,032.36 : 247,508.80 = 76,200.56 : x
  2. Step 2: Convert to fraction form
    165,032.36/247,508.80 = 76,200.56/x
  3. Step 3: Cross multiply
    165,032.36x = 247,508.80 × 76,200.56
  4. Step 4: Simplify right side
    165,032.36x = 18,860,309,164.93
  5. Step 5: Solve for x
    x = 18,860,309,164.93/165,032.36
  6. Step 6: Final answer
    x = 114,282.49

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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.