Home / 133,428.13-200,156.16-43,477.83

Finding the Fourth Proportional to 133,428.13, 200,156.16 and 43,477.83

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Solution

The fourth proportional to 133,428.13, 200,156.16 and 43,477.83 is: 65,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,428.13 : 200,156.16 = 43,477.83 : x
  2. Step 2: Convert to fraction form
    133,428.13/200,156.16 = 43,477.83/x
  3. Step 3: Cross multiply
    133,428.13x = 200,156.16 × 43,477.83
  4. Step 4: Simplify right side
    133,428.13x = 8,702,355,497.93
  5. Step 5: Solve for x
    x = 8,702,355,497.93/133,428.13
  6. Step 6: Final answer
    x = 65,221.30

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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.