Home / 189,750.40-284,583.66-54,785.15

Finding the Fourth Proportional to 189,750.40, 284,583.66 and 54,785.15

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Solution

The fourth proportional to 189,750.40, 284,583.66 and 54,785.15 is: 82,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,750.40 : 284,583.66 = 54,785.15 : x
  2. Step 2: Convert to fraction form
    189,750.40/284,583.66 = 54,785.15/x
  3. Step 3: Cross multiply
    189,750.40x = 284,583.66 × 54,785.15
  4. Step 4: Simplify right side
    189,750.40x = 15,590,958,500.65
  5. Step 5: Solve for x
    x = 15,590,958,500.65/189,750.40
  6. Step 6: Final answer
    x = 82,165.62

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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.