Home / 133,680.09-200,510.40-49,400.97

Finding the Fourth Proportional to 133,680.09, 200,510.40 and 49,400.97

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Solution

The fourth proportional to 133,680.09, 200,510.40 and 49,400.97 is: 74,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,680.09 : 200,510.40 = 49,400.97 : x
  2. Step 2: Convert to fraction form
    133,680.09/200,510.40 = 49,400.97/x
  3. Step 3: Cross multiply
    133,680.09x = 200,510.40 × 49,400.97
  4. Step 4: Simplify right side
    133,680.09x = 9,905,408,255.09
  5. Step 5: Solve for x
    x = 9,905,408,255.09/133,680.09
  6. Step 6: Final answer
    x = 74,097.86

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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.