Home / 140,861.72-211,010.90-84,671.34

Finding the Fourth Proportional to 140,861.72, 211,010.90 and 84,671.34

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Solution

The fourth proportional to 140,861.72, 211,010.90 and 84,671.34 is: 126,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,861.72 : 211,010.90 = 84,671.34 : x
  2. Step 2: Convert to fraction form
    140,861.72/211,010.90 = 84,671.34/x
  3. Step 3: Cross multiply
    140,861.72x = 211,010.90 × 84,671.34
  4. Step 4: Simplify right side
    140,861.72x = 17,866,575,234.25
  5. Step 5: Solve for x
    x = 17,866,575,234.25/140,861.72
  6. Step 6: Final answer
    x = 126,837.69

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1.5x scale

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.