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Finding the Fourth Proportional to 143,080.61, 214,624.98 and 37,899.59

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Solution

The fourth proportional to 143,080.61, 214,624.98 and 37,899.59 is: 56,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,080.61 : 214,624.98 = 37,899.59 : x
  2. Step 2: Convert to fraction form
    143,080.61/214,624.98 = 37,899.59/x
  3. Step 3: Cross multiply
    143,080.61x = 214,624.98 × 37,899.59
  4. Step 4: Simplify right side
    143,080.61x = 8,134,197,672.63
  5. Step 5: Solve for x
    x = 8,134,197,672.63/143,080.61
  6. Step 6: Final answer
    x = 56,850.46

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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.