Home / 187,078.01-280,686.72-112,251.86

Finding the Fourth Proportional to 187,078.01, 280,686.72 and 112,251.86

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Solution

The fourth proportional to 187,078.01, 280,686.72 and 112,251.86 is: 168,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,078.01 : 280,686.72 = 112,251.86 : x
  2. Step 2: Convert to fraction form
    187,078.01/280,686.72 = 112,251.86/x
  3. Step 3: Cross multiply
    187,078.01x = 280,686.72 × 112,251.86
  4. Step 4: Simplify right side
    187,078.01x = 31,507,604,993.87
  5. Step 5: Solve for x
    x = 31,507,604,993.87/187,078.01
  6. Step 6: Final answer
    x = 168,419.61

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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.