Home / 131,426.22-197,155.73-51,453.87

Finding the Fourth Proportional to 131,426.22, 197,155.73 and 51,453.87

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Solution

The fourth proportional to 131,426.22, 197,155.73 and 51,453.87 is: 77,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,426.22 : 197,155.73 = 51,453.87 : x
  2. Step 2: Convert to fraction form
    131,426.22/197,155.73 = 51,453.87/x
  3. Step 3: Cross multiply
    131,426.22x = 197,155.73 × 51,453.87
  4. Step 4: Simplify right side
    131,426.22x = 10,144,425,301.18
  5. Step 5: Solve for x
    x = 10,144,425,301.18/131,426.22
  6. Step 6: Final answer
    x = 77,187.23

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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.