Home / 135,854.18-203,724.38-51,567.89

Finding the Fourth Proportional to 135,854.18, 203,724.38 and 51,567.89

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Solution

The fourth proportional to 135,854.18, 203,724.38 and 51,567.89 is: 77,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,854.18 : 203,724.38 = 51,567.89 : x
  2. Step 2: Convert to fraction form
    135,854.18/203,724.38 = 51,567.89/x
  3. Step 3: Cross multiply
    135,854.18x = 203,724.38 × 51,567.89
  4. Step 4: Simplify right side
    135,854.18x = 10,505,635,141.70
  5. Step 5: Solve for x
    x = 10,505,635,141.70/135,854.18
  6. Step 6: Final answer
    x = 77,330.23

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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.