Home / 134,680.26-185,850.33-74,247.78

Finding the Fourth Proportional to 134,680.26, 185,850.33 and 74,247.78

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Solution

The fourth proportional to 134,680.26, 185,850.33 and 74,247.78 is: 102,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.26 : 185,850.33 = 74,247.78 : x
  2. Step 2: Convert to fraction form
    134,680.26/185,850.33 = 74,247.78/x
  3. Step 3: Cross multiply
    134,680.26x = 185,850.33 × 74,247.78
  4. Step 4: Simplify right side
    134,680.26x = 13,798,974,414.77
  5. Step 5: Solve for x
    x = 13,798,974,414.77/134,680.26
  6. Step 6: Final answer
    x = 102,457.29

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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.