Home / 131,425.86-197,155.18-51,453.50

Finding the Fourth Proportional to 131,425.86, 197,155.18 and 51,453.50

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Solution

The fourth proportional to 131,425.86, 197,155.18 and 51,453.50 is: 77,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425.86 : 197,155.18 = 51,453.50 : x
  2. Step 2: Convert to fraction form
    131,425.86/197,155.18 = 51,453.50/x
  3. Step 3: Cross multiply
    131,425.86x = 197,155.18 × 51,453.50
  4. Step 4: Simplify right side
    131,425.86x = 10,144,324,054.13
  5. Step 5: Solve for x
    x = 10,144,324,054.13/131,425.86
  6. Step 6: Final answer
    x = 77,186.67

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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.