Home / 187,171.85-280,786.93-112,274.39

Finding the Fourth Proportional to 187,171.85, 280,786.93 and 112,274.39

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Solution

The fourth proportional to 187,171.85, 280,786.93 and 112,274.39 is: 168,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,171.85 : 280,786.93 = 112,274.39 : x
  2. Step 2: Convert to fraction form
    187,171.85/280,786.93 = 112,274.39/x
  3. Step 3: Cross multiply
    187,171.85x = 280,786.93 × 112,274.39
  4. Step 4: Simplify right side
    187,171.85x = 31,525,181,285.72
  5. Step 5: Solve for x
    x = 31,525,181,285.72/187,171.85
  6. Step 6: Final answer
    x = 168,429.07

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1.5x scale

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.