Home / 121,184.55-181,692.48-53,679.93

Finding the Fourth Proportional to 121,184.55, 181,692.48 and 53,679.93

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Solution

The fourth proportional to 121,184.55, 181,692.48 and 53,679.93 is: 80,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,184.55 : 181,692.48 = 53,679.93 : x
  2. Step 2: Convert to fraction form
    121,184.55/181,692.48 = 53,679.93/x
  3. Step 3: Cross multiply
    121,184.55x = 181,692.48 × 53,679.93
  4. Step 4: Simplify right side
    121,184.55x = 9,753,239,607.93
  5. Step 5: Solve for x
    x = 9,753,239,607.93/121,184.55
  6. Step 6: Final answer
    x = 80,482.53

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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.