Home / 131,901.84-197,880.44-43,148.39

Finding the Fourth Proportional to 131,901.84, 197,880.44 and 43,148.39

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Solution

The fourth proportional to 131,901.84, 197,880.44 and 43,148.39 is: 64,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,901.84 : 197,880.44 = 43,148.39 : x
  2. Step 2: Convert to fraction form
    131,901.84/197,880.44 = 43,148.39/x
  3. Step 3: Cross multiply
    131,901.84x = 197,880.44 × 43,148.39
  4. Step 4: Simplify right side
    131,901.84x = 8,538,221,193.35
  5. Step 5: Solve for x
    x = 8,538,221,193.35/131,901.84
  6. Step 6: Final answer
    x = 64,731.63

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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.