Home / 135,681.62-203,494.55-51,412.73

Finding the Fourth Proportional to 135,681.62, 203,494.55 and 51,412.73

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Solution

The fourth proportional to 135,681.62, 203,494.55 and 51,412.73 is: 77,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,681.62 : 203,494.55 = 51,412.73 : x
  2. Step 2: Convert to fraction form
    135,681.62/203,494.55 = 51,412.73/x
  3. Step 3: Cross multiply
    135,681.62x = 203,494.55 × 51,412.73
  4. Step 4: Simplify right side
    135,681.62x = 10,462,209,081.09
  5. Step 5: Solve for x
    x = 10,462,209,081.09/135,681.62
  6. Step 6: Final answer
    x = 77,108.52

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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.