Home / 187,062.90-280,635.81-53,932.77

Finding the Fourth Proportional to 187,062.90, 280,635.81 and 53,932.77

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Solution

The fourth proportional to 187,062.90, 280,635.81 and 53,932.77 is: 80,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,062.90 : 280,635.81 = 53,932.77 : x
  2. Step 2: Convert to fraction form
    187,062.90/280,635.81 = 53,932.77/x
  3. Step 3: Cross multiply
    187,062.90x = 280,635.81 × 53,932.77
  4. Step 4: Simplify right side
    187,062.90x = 15,135,464,921.65
  5. Step 5: Solve for x
    x = 15,135,464,921.65/187,062.90
  6. Step 6: Final answer
    x = 80,911.10

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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.