Home / 143,487.74-215,198.73-42,259.61

Finding the Fourth Proportional to 143,487.74, 215,198.73 and 42,259.61

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Solution

The fourth proportional to 143,487.74, 215,198.73 and 42,259.61 is: 63,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,487.74 : 215,198.73 = 42,259.61 : x
  2. Step 2: Convert to fraction form
    143,487.74/215,198.73 = 42,259.61/x
  3. Step 3: Cross multiply
    143,487.74x = 215,198.73 × 42,259.61
  4. Step 4: Simplify right side
    143,487.74x = 9,094,213,326.30
  5. Step 5: Solve for x
    x = 9,094,213,326.30/143,487.74
  6. Step 6: Final answer
    x = 63,379.73

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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.