Home / 93,517.21-128,951.69-63,249.98

Finding the Fourth Proportional to 93,517.21, 128,951.69 and 63,249.98

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Solution

The fourth proportional to 93,517.21, 128,951.69 and 63,249.98 is: 87,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,517.21 : 128,951.69 = 63,249.98 : x
  2. Step 2: Convert to fraction form
    93,517.21/128,951.69 = 63,249.98/x
  3. Step 3: Cross multiply
    93,517.21x = 128,951.69 × 63,249.98
  4. Step 4: Simplify right side
    93,517.21x = 8,156,191,813.47
  5. Step 5: Solve for x
    x = 8,156,191,813.47/93,517.21
  6. Step 6: Final answer
    x = 87,215.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.