Home / 185,890.04-278,836.50-45,649.88

Finding the Fourth Proportional to 185,890.04, 278,836.50 and 45,649.88

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Solution

The fourth proportional to 185,890.04, 278,836.50 and 45,649.88 is: 68,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.04 : 278,836.50 = 45,649.88 : x
  2. Step 2: Convert to fraction form
    185,890.04/278,836.50 = 45,649.88/x
  3. Step 3: Cross multiply
    185,890.04x = 278,836.50 × 45,649.88
  4. Step 4: Simplify right side
    185,890.04x = 12,728,852,764.62
  5. Step 5: Solve for x
    x = 12,728,852,764.62/185,890.04
  6. Step 6: Final answer
    x = 68,475.17

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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.