Home / 121,396.73-182,100.56-45,513.29

Finding the Fourth Proportional to 121,396.73, 182,100.56 and 45,513.29

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Solution

The fourth proportional to 121,396.73, 182,100.56 and 45,513.29 is: 68,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,396.73 : 182,100.56 = 45,513.29 : x
  2. Step 2: Convert to fraction form
    121,396.73/182,100.56 = 45,513.29/x
  3. Step 3: Cross multiply
    121,396.73x = 182,100.56 × 45,513.29
  4. Step 4: Simplify right side
    121,396.73x = 8,287,995,824.13
  5. Step 5: Solve for x
    x = 8,287,995,824.13/121,396.73
  6. Step 6: Final answer
    x = 68,271.99

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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.