Home / 211,894.86-317,841.99-54,123.36

Finding the Fourth Proportional to 211,894.86, 317,841.99 and 54,123.36

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Solution

The fourth proportional to 211,894.86, 317,841.99 and 54,123.36 is: 81,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,894.86 : 317,841.99 = 54,123.36 : x
  2. Step 2: Convert to fraction form
    211,894.86/317,841.99 = 54,123.36/x
  3. Step 3: Cross multiply
    211,894.86x = 317,841.99 × 54,123.36
  4. Step 4: Simplify right side
    211,894.86x = 17,202,676,447.89
  5. Step 5: Solve for x
    x = 17,202,676,447.89/211,894.86
  6. Step 6: Final answer
    x = 81,184.96

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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.