Home / 140,780.78-211,169.41-34,165.62

Finding the Fourth Proportional to 140,780.78, 211,169.41 and 34,165.62

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Solution

The fourth proportional to 140,780.78, 211,169.41 and 34,165.62 is: 51,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,780.78 : 211,169.41 = 34,165.62 : x
  2. Step 2: Convert to fraction form
    140,780.78/211,169.41 = 34,165.62/x
  3. Step 3: Cross multiply
    140,780.78x = 211,169.41 × 34,165.62
  4. Step 4: Simplify right side
    140,780.78x = 7,214,733,646.86
  5. Step 5: Solve for x
    x = 7,214,733,646.86/140,780.78
  6. Step 6: Final answer
    x = 51,248.00

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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.