Home / 135,909.29-203,935.93-98,775.86

Finding the Fourth Proportional to 135,909.29, 203,935.93 and 98,775.86

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Solution

The fourth proportional to 135,909.29, 203,935.93 and 98,775.86 is: 148,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,909.29 : 203,935.93 = 98,775.86 : x
  2. Step 2: Convert to fraction form
    135,909.29/203,935.93 = 98,775.86/x
  3. Step 3: Cross multiply
    135,909.29x = 203,935.93 × 98,775.86
  4. Step 4: Simplify right side
    135,909.29x = 20,143,945,604.03
  5. Step 5: Solve for x
    x = 20,143,945,604.03/135,909.29
  6. Step 6: Final answer
    x = 148,216.10

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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.