Home / 121,184.75-181,692.81-53,680.14

Finding the Fourth Proportional to 121,184.75, 181,692.81 and 53,680.14

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Solution

The fourth proportional to 121,184.75, 181,692.81 and 53,680.14 is: 80,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,184.75 : 181,692.81 = 53,680.14 : x
  2. Step 2: Convert to fraction form
    121,184.75/181,692.81 = 53,680.14/x
  3. Step 3: Cross multiply
    121,184.75x = 181,692.81 × 53,680.14
  4. Step 4: Simplify right side
    121,184.75x = 9,753,294,569.33
  5. Step 5: Solve for x
    x = 9,753,294,569.33/121,184.75
  6. Step 6: Final answer
    x = 80,482.85

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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.