Home / 165,315.97-247,777.12-115,124.32

Finding the Fourth Proportional to 165,315.97, 247,777.12 and 115,124.32

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Solution

The fourth proportional to 165,315.97, 247,777.12 and 115,124.32 is: 172,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,315.97 : 247,777.12 = 115,124.32 : x
  2. Step 2: Convert to fraction form
    165,315.97/247,777.12 = 115,124.32/x
  3. Step 3: Cross multiply
    165,315.97x = 247,777.12 × 115,124.32
  4. Step 4: Simplify right side
    165,315.97x = 28,525,172,451.56
  5. Step 5: Solve for x
    x = 28,525,172,451.56/165,315.97
  6. Step 6: Final answer
    x = 172,549.41

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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.