Home / 211,537.72-317,389.65-93,125.98

Finding the Fourth Proportional to 211,537.72, 317,389.65 and 93,125.98

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Solution

The fourth proportional to 211,537.72, 317,389.65 and 93,125.98 is: 139,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,537.72 : 317,389.65 = 93,125.98 : x
  2. Step 2: Convert to fraction form
    211,537.72/317,389.65 = 93,125.98/x
  3. Step 3: Cross multiply
    211,537.72x = 317,389.65 × 93,125.98
  4. Step 4: Simplify right side
    211,537.72x = 29,557,222,198.11
  5. Step 5: Solve for x
    x = 29,557,222,198.11/211,537.72
  6. Step 6: Final answer
    x = 139,725.54

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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.