Home / 133,423.02-200,134.80-54,537.21

Finding the Fourth Proportional to 133,423.02, 200,134.80 and 54,537.21

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Solution

The fourth proportional to 133,423.02, 200,134.80 and 54,537.21 is: 81,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,423.02 : 200,134.80 = 54,537.21 : x
  2. Step 2: Convert to fraction form
    133,423.02/200,134.80 = 54,537.21/x
  3. Step 3: Cross multiply
    133,423.02x = 200,134.80 × 54,537.21
  4. Step 4: Simplify right side
    133,423.02x = 10,914,793,615.91
  5. Step 5: Solve for x
    x = 10,914,793,615.91/133,423.02
  6. Step 6: Final answer
    x = 81,805.93

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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.