Home / 165,085.32-247,406.22-90,093.12

Finding the Fourth Proportional to 165,085.32, 247,406.22 and 90,093.12

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Solution

The fourth proportional to 165,085.32, 247,406.22 and 90,093.12 is: 135,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,085.32 : 247,406.22 = 90,093.12 : x
  2. Step 2: Convert to fraction form
    165,085.32/247,406.22 = 90,093.12/x
  3. Step 3: Cross multiply
    165,085.32x = 247,406.22 × 90,093.12
  4. Step 4: Simplify right side
    165,085.32x = 22,289,598,267.21
  5. Step 5: Solve for x
    x = 22,289,598,267.21/165,085.32
  6. Step 6: Final answer
    x = 135,018.66

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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.