Home / 126,284.56-189,368.52-47,342.32

Finding the Fourth Proportional to 126,284.56, 189,368.52 and 47,342.32

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Solution

The fourth proportional to 126,284.56, 189,368.52 and 47,342.32 is: 70,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,284.56 : 189,368.52 = 47,342.32 : x
  2. Step 2: Convert to fraction form
    126,284.56/189,368.52 = 47,342.32/x
  3. Step 3: Cross multiply
    126,284.56x = 189,368.52 × 47,342.32
  4. Step 4: Simplify right side
    126,284.56x = 8,965,145,071.77
  5. Step 5: Solve for x
    x = 8,965,145,071.77/126,284.56
  6. Step 6: Final answer
    x = 70,991.62

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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.