Home / 187,485.39-281,140.59-108,622.17

Finding the Fourth Proportional to 187,485.39, 281,140.59 and 108,622.17

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Solution

The fourth proportional to 187,485.39, 281,140.59 and 108,622.17 is: 162,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,485.39 : 281,140.59 = 108,622.17 : x
  2. Step 2: Convert to fraction form
    187,485.39/281,140.59 = 108,622.17/x
  3. Step 3: Cross multiply
    187,485.39x = 281,140.59 × 108,622.17
  4. Step 4: Simplify right side
    187,485.39x = 30,538,100,960.88
  5. Step 5: Solve for x
    x = 30,538,100,960.88/187,485.39
  6. Step 6: Final answer
    x = 162,882.56

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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.