Home / 137,461.12-189,693.24-80,096.88

Finding the Fourth Proportional to 137,461.12, 189,693.24 and 80,096.88

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Solution

The fourth proportional to 137,461.12, 189,693.24 and 80,096.88 is: 110,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,461.12 : 189,693.24 = 80,096.88 : x
  2. Step 2: Convert to fraction form
    137,461.12/189,693.24 = 80,096.88/x
  3. Step 3: Cross multiply
    137,461.12x = 189,693.24 × 80,096.88
  4. Step 4: Simplify right side
    137,461.12x = 15,193,836,681.09
  5. Step 5: Solve for x
    x = 15,193,836,681.09/137,461.12
  6. Step 6: Final answer
    x = 110,531.88

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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.