Home / 143,714.66-215,561.96-53,740.26

Finding the Fourth Proportional to 143,714.66, 215,561.96 and 53,740.26

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Solution

The fourth proportional to 143,714.66, 215,561.96 and 53,740.26 is: 80,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,714.66 : 215,561.96 = 53,740.26 : x
  2. Step 2: Convert to fraction form
    143,714.66/215,561.96 = 53,740.26/x
  3. Step 3: Cross multiply
    143,714.66x = 215,561.96 × 53,740.26
  4. Step 4: Simplify right side
    143,714.66x = 11,584,355,709.33
  5. Step 5: Solve for x
    x = 11,584,355,709.33/143,714.66
  6. Step 6: Final answer
    x = 80,606.64

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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.