Home / 187,240.32-280,860.48-82,035.36

Finding the Fourth Proportional to 187,240.32, 280,860.48 and 82,035.36

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Solution

The fourth proportional to 187,240.32, 280,860.48 and 82,035.36 is: 123,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,240.32 : 280,860.48 = 82,035.36 : x
  2. Step 2: Convert to fraction form
    187,240.32/280,860.48 = 82,035.36/x
  3. Step 3: Cross multiply
    187,240.32x = 280,860.48 × 82,035.36
  4. Step 4: Simplify right side
    187,240.32x = 23,040,490,586.57
  5. Step 5: Solve for x
    x = 23,040,490,586.57/187,240.32
  6. Step 6: Final answer
    x = 123,053.04

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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.