Home / 126,375.64-189,428.59-63,071.10

Finding the Fourth Proportional to 126,375.64, 189,428.59 and 63,071.10

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Solution

The fourth proportional to 126,375.64, 189,428.59 and 63,071.10 is: 94,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,375.64 : 189,428.59 = 63,071.10 : x
  2. Step 2: Convert to fraction form
    126,375.64/189,428.59 = 63,071.10/x
  3. Step 3: Cross multiply
    126,375.64x = 189,428.59 × 63,071.10
  4. Step 4: Simplify right side
    126,375.64x = 11,947,469,385.07
  5. Step 5: Solve for x
    x = 11,947,469,385.07/126,375.64
  6. Step 6: Final answer
    x = 94,539.34

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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.