Home / 135,592.38-203,390.72-51,329.93

Finding the Fourth Proportional to 135,592.38, 203,390.72 and 51,329.93

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Solution

The fourth proportional to 135,592.38, 203,390.72 and 51,329.93 is: 76,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,592.38 : 203,390.72 = 51,329.93 : x
  2. Step 2: Convert to fraction form
    135,592.38/203,390.72 = 51,329.93/x
  3. Step 3: Cross multiply
    135,592.38x = 203,390.72 × 51,329.93
  4. Step 4: Simplify right side
    135,592.38x = 10,440,030,146.65
  5. Step 5: Solve for x
    x = 10,440,030,146.65/135,592.38
  6. Step 6: Final answer
    x = 76,995.70

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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.