Home / 135,473.42-186,951.32-75,043.88

Finding the Fourth Proportional to 135,473.42, 186,951.32 and 75,043.88

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Solution

The fourth proportional to 135,473.42, 186,951.32 and 75,043.88 is: 103,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,473.42 : 186,951.32 = 75,043.88 : x
  2. Step 2: Convert to fraction form
    135,473.42/186,951.32 = 75,043.88/x
  3. Step 3: Cross multiply
    135,473.42x = 186,951.32 × 75,043.88
  4. Step 4: Simplify right side
    135,473.42x = 14,029,552,423.92
  5. Step 5: Solve for x
    x = 14,029,552,423.92/135,473.42
  6. Step 6: Final answer
    x = 103,559.45

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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.