Home / 121,184.79-181,692.86-53,680.18

Finding the Fourth Proportional to 121,184.79, 181,692.86 and 53,680.18

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Solution

The fourth proportional to 121,184.79, 181,692.86 and 53,680.18 is: 80,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,184.79 : 181,692.86 = 53,680.18 : x
  2. Step 2: Convert to fraction form
    121,184.79/181,692.86 = 53,680.18/x
  3. Step 3: Cross multiply
    121,184.79x = 181,692.86 × 53,680.18
  4. Step 4: Simplify right side
    121,184.79x = 9,753,305,429.51
  5. Step 5: Solve for x
    x = 9,753,305,429.51/121,184.79
  6. Step 6: Final answer
    x = 80,482.92

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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.