Home / 143,115.10-214,779.30-54,541.60

Finding the Fourth Proportional to 143,115.10, 214,779.30 and 54,541.60

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Solution

The fourth proportional to 143,115.10, 214,779.30 and 54,541.60 is: 81,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,115.10 : 214,779.30 = 54,541.60 : x
  2. Step 2: Convert to fraction form
    143,115.10/214,779.30 = 54,541.60/x
  3. Step 3: Cross multiply
    143,115.10x = 214,779.30 × 54,541.60
  4. Step 4: Simplify right side
    143,115.10x = 11,714,406,668.88
  5. Step 5: Solve for x
    x = 11,714,406,668.88/143,115.10
  6. Step 6: Final answer
    x = 81,853.04

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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.