Home / 142,687.04-214,032.66-67,814.83

Finding the Fourth Proportional to 142,687.04, 214,032.66 and 67,814.83

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Solution

The fourth proportional to 142,687.04, 214,032.66 and 67,814.83 is: 101,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,687.04 : 214,032.66 = 67,814.83 : x
  2. Step 2: Convert to fraction form
    142,687.04/214,032.66 = 67,814.83/x
  3. Step 3: Cross multiply
    142,687.04x = 214,032.66 × 67,814.83
  4. Step 4: Simplify right side
    142,687.04x = 14,514,587,917.27
  5. Step 5: Solve for x
    x = 14,514,587,917.27/142,687.04
  6. Step 6: Final answer
    x = 101,723.24

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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.