Home / 135,284.96-186,677.25-74,847.62

Finding the Fourth Proportional to 135,284.96, 186,677.25 and 74,847.62

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Solution

The fourth proportional to 135,284.96, 186,677.25 and 74,847.62 is: 103,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,284.96 : 186,677.25 = 74,847.62 : x
  2. Step 2: Convert to fraction form
    135,284.96/186,677.25 = 74,847.62/x
  3. Step 3: Cross multiply
    135,284.96x = 186,677.25 × 74,847.62
  4. Step 4: Simplify right side
    135,284.96x = 13,972,347,870.65
  5. Step 5: Solve for x
    x = 13,972,347,870.65/135,284.96
  6. Step 6: Final answer
    x = 103,280.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.