Home / 120,862.62-181,247.31-45,943.38

Finding the Fourth Proportional to 120,862.62, 181,247.31 and 45,943.38

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Solution

The fourth proportional to 120,862.62, 181,247.31 and 45,943.38 is: 68,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,862.62 : 181,247.31 = 45,943.38 : x
  2. Step 2: Convert to fraction form
    120,862.62/181,247.31 = 45,943.38/x
  3. Step 3: Cross multiply
    120,862.62x = 181,247.31 × 45,943.38
  4. Step 4: Simplify right side
    120,862.62x = 8,327,114,037.31
  5. Step 5: Solve for x
    x = 8,327,114,037.31/120,862.62
  6. Step 6: Final answer
    x = 68,897.35

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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.