Home / 121,797.57-182,692.26-42,909.75

Finding the Fourth Proportional to 121,797.57, 182,692.26 and 42,909.75

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Solution

The fourth proportional to 121,797.57, 182,692.26 and 42,909.75 is: 64,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,797.57 : 182,692.26 = 42,909.75 : x
  2. Step 2: Convert to fraction form
    121,797.57/182,692.26 = 42,909.75/x
  3. Step 3: Cross multiply
    121,797.57x = 182,692.26 × 42,909.75
  4. Step 4: Simplify right side
    121,797.57x = 7,839,279,203.54
  5. Step 5: Solve for x
    x = 7,839,279,203.54/121,797.57
  6. Step 6: Final answer
    x = 64,363.18

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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.