Home / 189,945.33-284,400.90-133,701.09

Finding the Fourth Proportional to 189,945.33, 284,400.90 and 133,701.09

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Solution

The fourth proportional to 189,945.33, 284,400.90 and 133,701.09 is: 200,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,945.33 : 284,400.90 = 133,701.09 : x
  2. Step 2: Convert to fraction form
    189,945.33/284,400.90 = 133,701.09/x
  3. Step 3: Cross multiply
    189,945.33x = 284,400.90 × 133,701.09
  4. Step 4: Simplify right side
    189,945.33x = 38,024,710,326.98
  5. Step 5: Solve for x
    x = 38,024,710,326.98/189,945.33
  6. Step 6: Final answer
    x = 200,187.66

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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.