Home / 260,913.20-391,277.34-124,120.20

Finding the Fourth Proportional to 260,913.20, 391,277.34 and 124,120.20

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Solution

The fourth proportional to 260,913.20, 391,277.34 and 124,120.20 is: 186,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,913.20 : 391,277.34 = 124,120.20 : x
  2. Step 2: Convert to fraction form
    260,913.20/391,277.34 = 124,120.20/x
  3. Step 3: Cross multiply
    260,913.20x = 391,277.34 × 124,120.20
  4. Step 4: Simplify right side
    260,913.20x = 48,565,421,696.27
  5. Step 5: Solve for x
    x = 48,565,421,696.27/260,913.20
  6. Step 6: Final answer
    x = 186,136.32

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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.