Home / 123,346.36-184,686.88-80,545.77

Finding the Fourth Proportional to 123,346.36, 184,686.88 and 80,545.77

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Solution

The fourth proportional to 123,346.36, 184,686.88 and 80,545.77 is: 120,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,346.36 : 184,686.88 = 80,545.77 : x
  2. Step 2: Convert to fraction form
    123,346.36/184,686.88 = 80,545.77/x
  3. Step 3: Cross multiply
    123,346.36x = 184,686.88 × 80,545.77
  4. Step 4: Simplify right side
    123,346.36x = 14,875,745,833.70
  5. Step 5: Solve for x
    x = 14,875,745,833.70/123,346.36
  6. Step 6: Final answer
    x = 120,601.42

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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.