Home / 143,089.37-214,633.90-54,342.73

Finding the Fourth Proportional to 143,089.37, 214,633.90 and 54,342.73

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Solution

The fourth proportional to 143,089.37, 214,633.90 and 54,342.73 is: 81,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,089.37 : 214,633.90 = 54,342.73 : x
  2. Step 2: Convert to fraction form
    143,089.37/214,633.90 = 54,342.73/x
  3. Step 3: Cross multiply
    143,089.37x = 214,633.90 × 54,342.73
  4. Step 4: Simplify right side
    143,089.37x = 11,663,792,412.77
  5. Step 5: Solve for x
    x = 11,663,792,412.77/143,089.37
  6. Step 6: Final answer
    x = 81,514.04

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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.