Home / 135,415.13-203,099.61-40,619.62

Finding the Fourth Proportional to 135,415.13, 203,099.61 and 40,619.62

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Solution

The fourth proportional to 135,415.13, 203,099.61 and 40,619.62 is: 60,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,415.13 : 203,099.61 = 40,619.62 : x
  2. Step 2: Convert to fraction form
    135,415.13/203,099.61 = 40,619.62/x
  3. Step 3: Cross multiply
    135,415.13x = 203,099.61 × 40,619.62
  4. Step 4: Simplify right side
    135,415.13x = 8,249,828,980.35
  5. Step 5: Solve for x
    x = 8,249,828,980.35/135,415.13
  6. Step 6: Final answer
    x = 60,922.51

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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.