Home / 250,087.23-345,120.39-136,909.98

Finding the Fourth Proportional to 250,087.23, 345,120.39 and 136,909.98

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Solution

The fourth proportional to 250,087.23, 345,120.39 and 136,909.98 is: 188,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,087.23 : 345,120.39 = 136,909.98 : x
  2. Step 2: Convert to fraction form
    250,087.23/345,120.39 = 136,909.98/x
  3. Step 3: Cross multiply
    250,087.23x = 345,120.39 × 136,909.98
  4. Step 4: Simplify right side
    250,087.23x = 47,250,425,692.49
  5. Step 5: Solve for x
    x = 47,250,425,692.49/250,087.23
  6. Step 6: Final answer
    x = 188,935.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.