Home / 211,834.50-292,357.55-122,410.50

Finding the Fourth Proportional to 211,834.50, 292,357.55 and 122,410.50

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Solution

The fourth proportional to 211,834.50, 292,357.55 and 122,410.50 is: 168,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,834.50 : 292,357.55 = 122,410.50 : x
  2. Step 2: Convert to fraction form
    211,834.50/292,357.55 = 122,410.50/x
  3. Step 3: Cross multiply
    211,834.50x = 292,357.55 × 122,410.50
  4. Step 4: Simplify right side
    211,834.50x = 35,787,633,874.28
  5. Step 5: Solve for x
    x = 35,787,633,874.28/211,834.50
  6. Step 6: Final answer
    x = 168,941.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.