Home / 135,981.45-203,973.53-41,211.86

Finding the Fourth Proportional to 135,981.45, 203,973.53 and 41,211.86

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Solution

The fourth proportional to 135,981.45, 203,973.53 and 41,211.86 is: 61,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,981.45 : 203,973.53 = 41,211.86 : x
  2. Step 2: Convert to fraction form
    135,981.45/203,973.53 = 41,211.86/x
  3. Step 3: Cross multiply
    135,981.45x = 203,973.53 × 41,211.86
  4. Step 4: Simplify right side
    135,981.45x = 8,406,127,336.14
  5. Step 5: Solve for x
    x = 8,406,127,336.14/135,981.45
  6. Step 6: Final answer
    x = 61,818.19

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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.