Home / 133,007.50-199,548.75-54,178.30

Finding the Fourth Proportional to 133,007.50, 199,548.75 and 54,178.30

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Solution

The fourth proportional to 133,007.50, 199,548.75 and 54,178.30 is: 81,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,007.50 : 199,548.75 = 54,178.30 : x
  2. Step 2: Convert to fraction form
    133,007.50/199,548.75 = 54,178.30/x
  3. Step 3: Cross multiply
    133,007.50x = 199,548.75 × 54,178.30
  4. Step 4: Simplify right side
    133,007.50x = 10,811,212,042.13
  5. Step 5: Solve for x
    x = 10,811,212,042.13/133,007.50
  6. Step 6: Final answer
    x = 81,282.72

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1.5x scale

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.