Home / 131,634.46-197,451.51-42,887.81

Finding the Fourth Proportional to 131,634.46, 197,451.51 and 42,887.81

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Solution

The fourth proportional to 131,634.46, 197,451.51 and 42,887.81 is: 64,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,634.46 : 197,451.51 = 42,887.81 : x
  2. Step 2: Convert to fraction form
    131,634.46/197,451.51 = 42,887.81/x
  3. Step 3: Cross multiply
    131,634.46x = 197,451.51 × 42,887.81
  4. Step 4: Simplify right side
    131,634.46x = 8,468,262,845.09
  5. Step 5: Solve for x
    x = 8,468,262,845.09/131,634.46
  6. Step 6: Final answer
    x = 64,331.66

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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.