Home / 131,736.39-197,625.24-42,969.40

Finding the Fourth Proportional to 131,736.39, 197,625.24 and 42,969.40

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Solution

The fourth proportional to 131,736.39, 197,625.24 and 42,969.40 is: 64,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.39 : 197,625.24 = 42,969.40 : x
  2. Step 2: Convert to fraction form
    131,736.39/197,625.24 = 42,969.40/x
  3. Step 3: Cross multiply
    131,736.39x = 197,625.24 × 42,969.40
  4. Step 4: Simplify right side
    131,736.39x = 8,491,837,386.17
  5. Step 5: Solve for x
    x = 8,491,837,386.17/131,736.39
  6. Step 6: Final answer
    x = 64,460.83

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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.