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Finding the Fourth Proportional to 143,593, 215,401.02 and 45,097

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Solution

The fourth proportional to 143,593, 215,401.02 and 45,097 is: 67,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,593 : 215,401.02 = 45,097 : x
  2. Step 2: Convert to fraction form
    143,593/215,401.02 = 45,097/x
  3. Step 3: Cross multiply
    143,593x = 215,401.02 × 45,097
  4. Step 4: Simplify right side
    143,593x = 9,713,939,798.94
  5. Step 5: Solve for x
    x = 9,713,939,798.94/143,593
  6. Step 6: Final answer
    x = 67,649.12

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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.