Home / 185,889.04-278,835-45,648.88

Finding the Fourth Proportional to 185,889.04, 278,835 and 45,648.88

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Solution

The fourth proportional to 185,889.04, 278,835 and 45,648.88 is: 68,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,889.04 : 278,835 = 45,648.88 : x
  2. Step 2: Convert to fraction form
    185,889.04/278,835 = 45,648.88/x
  3. Step 3: Cross multiply
    185,889.04x = 278,835 × 45,648.88
  4. Step 4: Simplify right side
    185,889.04x = 12,728,505,454.80
  5. Step 5: Solve for x
    x = 12,728,505,454.80/185,889.04
  6. Step 6: Final answer
    x = 68,473.67

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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.