Home / 211,565.10-317,420.55-93,321.30

Finding the Fourth Proportional to 211,565.10, 317,420.55 and 93,321.30

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Solution

The fourth proportional to 211,565.10, 317,420.55 and 93,321.30 is: 140,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,565.10 : 317,420.55 = 93,321.30 : x
  2. Step 2: Convert to fraction form
    211,565.10/317,420.55 = 93,321.30/x
  3. Step 3: Cross multiply
    211,565.10x = 317,420.55 × 93,321.30
  4. Step 4: Simplify right side
    211,565.10x = 29,622,098,372.72
  5. Step 5: Solve for x
    x = 29,622,098,372.72/211,565.10
  6. Step 6: Final answer
    x = 140,014.11

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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.