Home / 143,234.86-214,855.89-38,053.66

Finding the Fourth Proportional to 143,234.86, 214,855.89 and 38,053.66

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Solution

The fourth proportional to 143,234.86, 214,855.89 and 38,053.66 is: 57,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,234.86 : 214,855.89 = 38,053.66 : x
  2. Step 2: Convert to fraction form
    143,234.86/214,855.89 = 38,053.66/x
  3. Step 3: Cross multiply
    143,234.86x = 214,855.89 × 38,053.66
  4. Step 4: Simplify right side
    143,234.86x = 8,176,052,987.06
  5. Step 5: Solve for x
    x = 8,176,052,987.06/143,234.86
  6. Step 6: Final answer
    x = 57,081.45

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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.