Home / 132,849-183,331.62-76,278.60

Finding the Fourth Proportional to 132,849, 183,331.62 and 76,278.60

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Solution

The fourth proportional to 132,849, 183,331.62 and 76,278.60 is: 105,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,849 : 183,331.62 = 76,278.60 : x
  2. Step 2: Convert to fraction form
    132,849/183,331.62 = 76,278.60/x
  3. Step 3: Cross multiply
    132,849x = 183,331.62 × 76,278.60
  4. Step 4: Simplify right side
    132,849x = 13,984,279,309.33
  5. Step 5: Solve for x
    x = 13,984,279,309.33/132,849
  6. Step 6: Final answer
    x = 105,264.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.