Home / 155,529.72-233,286.35-76,617.30

Finding the Fourth Proportional to 155,529.72, 233,286.35 and 76,617.30

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Solution

The fourth proportional to 155,529.72, 233,286.35 and 76,617.30 is: 114,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,529.72 : 233,286.35 = 76,617.30 : x
  2. Step 2: Convert to fraction form
    155,529.72/233,286.35 = 76,617.30/x
  3. Step 3: Cross multiply
    155,529.72x = 233,286.35 × 76,617.30
  4. Step 4: Simplify right side
    155,529.72x = 17,873,769,880.77
  5. Step 5: Solve for x
    x = 17,873,769,880.77/155,529.72
  6. Step 6: Final answer
    x = 114,921.89

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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.