Home / 187,002.28-280,605.50-108,270.28

Finding the Fourth Proportional to 187,002.28, 280,605.50 and 108,270.28

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Solution

The fourth proportional to 187,002.28, 280,605.50 and 108,270.28 is: 162,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,002.28 : 280,605.50 = 108,270.28 : x
  2. Step 2: Convert to fraction form
    187,002.28/280,605.50 = 108,270.28/x
  3. Step 3: Cross multiply
    187,002.28x = 280,605.50 × 108,270.28
  4. Step 4: Simplify right side
    187,002.28x = 30,381,236,054.54
  5. Step 5: Solve for x
    x = 30,381,236,054.54/187,002.28
  6. Step 6: Final answer
    x = 162,464.52

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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.