Home / 361,979.20-542,838.72-125,257.60

Finding the Fourth Proportional to 361,979.20, 542,838.72 and 125,257.60

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Solution

The fourth proportional to 361,979.20, 542,838.72 and 125,257.60 is: 187,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,979.20 : 542,838.72 = 125,257.60 : x
  2. Step 2: Convert to fraction form
    361,979.20/542,838.72 = 125,257.60/x
  3. Step 3: Cross multiply
    361,979.20x = 542,838.72 × 125,257.60
  4. Step 4: Simplify right side
    361,979.20x = 67,994,675,254.27
  5. Step 5: Solve for x
    x = 67,994,675,254.27/361,979.20
  6. Step 6: Final answer
    x = 187,841.39

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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.