Home / 129,655.65-178,517.61-110,236.37

Finding the Fourth Proportional to 129,655.65, 178,517.61 and 110,236.37

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Solution

The fourth proportional to 129,655.65, 178,517.61 and 110,236.37 is: 151,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,655.65 : 178,517.61 = 110,236.37 : x
  2. Step 2: Convert to fraction form
    129,655.65/178,517.61 = 110,236.37/x
  3. Step 3: Cross multiply
    129,655.65x = 178,517.61 × 110,236.37
  4. Step 4: Simplify right side
    129,655.65x = 19,679,132,414.89
  5. Step 5: Solve for x
    x = 19,679,132,414.89/129,655.65
  6. Step 6: Final answer
    x = 151,779.98

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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.