Home / 185,477.28-278,051.76-80,238.84

Finding the Fourth Proportional to 185,477.28, 278,051.76 and 80,238.84

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Solution

The fourth proportional to 185,477.28, 278,051.76 and 80,238.84 is: 120,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,477.28 : 278,051.76 = 80,238.84 : x
  2. Step 2: Convert to fraction form
    185,477.28/278,051.76 = 80,238.84/x
  3. Step 3: Cross multiply
    185,477.28x = 278,051.76 × 80,238.84
  4. Step 4: Simplify right side
    185,477.28x = 22,310,550,682.36
  5. Step 5: Solve for x
    x = 22,310,550,682.36/185,477.28
  6. Step 6: Final answer
    x = 120,287.24

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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.