Home / 185,919.60-278,879.40-173,089.20

Finding the Fourth Proportional to 185,919.60, 278,879.40 and 173,089.20

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Solution

The fourth proportional to 185,919.60, 278,879.40 and 173,089.20 is: 259,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919.60 : 278,879.40 = 173,089.20 : x
  2. Step 2: Convert to fraction form
    185,919.60/278,879.40 = 173,089.20/x
  3. Step 3: Cross multiply
    185,919.60x = 278,879.40 × 173,089.20
  4. Step 4: Simplify right side
    185,919.60x = 48,271,012,242.48
  5. Step 5: Solve for x
    x = 48,271,012,242.48/185,919.60
  6. Step 6: Final answer
    x = 259,633.80

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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.