Home / 145,286.94-200,352.15-88,664.70

Finding the Fourth Proportional to 145,286.94, 200,352.15 and 88,664.70

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Solution

The fourth proportional to 145,286.94, 200,352.15 and 88,664.70 is: 122,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,286.94 : 200,352.15 = 88,664.70 : x
  2. Step 2: Convert to fraction form
    145,286.94/200,352.15 = 88,664.70/x
  3. Step 3: Cross multiply
    145,286.94x = 200,352.15 × 88,664.70
  4. Step 4: Simplify right side
    145,286.94x = 17,764,163,274.11
  5. Step 5: Solve for x
    x = 17,764,163,274.11/145,286.94
  6. Step 6: Final answer
    x = 122,269.51

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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.