Home / 199,723.14-275,619.81-113,677.92

Finding the Fourth Proportional to 199,723.14, 275,619.81 and 113,677.92

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Solution

The fourth proportional to 199,723.14, 275,619.81 and 113,677.92 is: 156,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,723.14 : 275,619.81 = 113,677.92 : x
  2. Step 2: Convert to fraction form
    199,723.14/275,619.81 = 113,677.92/x
  3. Step 3: Cross multiply
    199,723.14x = 275,619.81 × 113,677.92
  4. Step 4: Simplify right side
    199,723.14x = 31,331,886,711.60
  5. Step 5: Solve for x
    x = 31,331,886,711.60/199,723.14
  6. Step 6: Final answer
    x = 156,876.60

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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.