Home / 106,731.96-147,277.44-63,703.56

Finding the Fourth Proportional to 106,731.96, 147,277.44 and 63,703.56

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Solution

The fourth proportional to 106,731.96, 147,277.44 and 63,703.56 is: 87,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,731.96 : 147,277.44 = 63,703.56 : x
  2. Step 2: Convert to fraction form
    106,731.96/147,277.44 = 63,703.56/x
  3. Step 3: Cross multiply
    106,731.96x = 147,277.44 × 63,703.56
  4. Step 4: Simplify right side
    106,731.96x = 9,382,097,235.69
  5. Step 5: Solve for x
    x = 9,382,097,235.69/106,731.96
  6. Step 6: Final answer
    x = 87,903.35

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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.