Home / 180,004.32-270,035.28-91,221.84

Finding the Fourth Proportional to 180,004.32, 270,035.28 and 91,221.84

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Solution

The fourth proportional to 180,004.32, 270,035.28 and 91,221.84 is: 136,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,004.32 : 270,035.28 = 91,221.84 : x
  2. Step 2: Convert to fraction form
    180,004.32/270,035.28 = 91,221.84/x
  3. Step 3: Cross multiply
    180,004.32x = 270,035.28 × 91,221.84
  4. Step 4: Simplify right side
    180,004.32x = 24,633,115,106.52
  5. Step 5: Solve for x
    x = 24,633,115,106.52/180,004.32
  6. Step 6: Final answer
    x = 136,847.36

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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.