Home / 106,511.24-147,606.87-105,007.88

Finding the Fourth Proportional to 106,511.24, 147,606.87 and 105,007.88

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Solution

The fourth proportional to 106,511.24, 147,606.87 and 105,007.88 is: 145,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,511.24 : 147,606.87 = 105,007.88 : x
  2. Step 2: Convert to fraction form
    106,511.24/147,606.87 = 105,007.88/x
  3. Step 3: Cross multiply
    106,511.24x = 147,606.87 × 105,007.88
  4. Step 4: Simplify right side
    106,511.24x = 15,499,883,360.32
  5. Step 5: Solve for x
    x = 15,499,883,360.32/106,511.24
  6. Step 6: Final answer
    x = 145,523.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.