Home / 147,942.35-221,655.18-123,141.77

Finding the Fourth Proportional to 147,942.35, 221,655.18 and 123,141.77

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Solution

The fourth proportional to 147,942.35, 221,655.18 and 123,141.77 is: 184,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,942.35 : 221,655.18 = 123,141.77 : x
  2. Step 2: Convert to fraction form
    147,942.35/221,655.18 = 123,141.77/x
  3. Step 3: Cross multiply
    147,942.35x = 221,655.18 × 123,141.77
  4. Step 4: Simplify right side
    147,942.35x = 27,295,011,379.58
  5. Step 5: Solve for x
    x = 27,295,011,379.58/147,942.35
  6. Step 6: Final answer
    x = 184,497.62

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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.