Home / 187,387.46-280,630.80-107,182.28

Finding the Fourth Proportional to 187,387.46, 280,630.80 and 107,182.28

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Solution

The fourth proportional to 187,387.46, 280,630.80 and 107,182.28 is: 160,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,387.46 : 280,630.80 = 107,182.28 : x
  2. Step 2: Convert to fraction form
    187,387.46/280,630.80 = 107,182.28/x
  3. Step 3: Cross multiply
    187,387.46x = 280,630.80 × 107,182.28
  4. Step 4: Simplify right side
    187,387.46x = 30,078,647,579.07
  5. Step 5: Solve for x
    x = 30,078,647,579.07/187,387.46
  6. Step 6: Final answer
    x = 160,515.80

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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.