Home / 106,141.79-159,250.96-53,511.64

Finding the Fourth Proportional to 106,141.79, 159,250.96 and 53,511.64

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Solution

The fourth proportional to 106,141.79, 159,250.96 and 53,511.64 is: 80,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,141.79 : 159,250.96 = 53,511.64 : x
  2. Step 2: Convert to fraction form
    106,141.79/159,250.96 = 53,511.64/x
  3. Step 3: Cross multiply
    106,141.79x = 159,250.96 × 53,511.64
  4. Step 4: Simplify right side
    106,141.79x = 8,521,779,709.94
  5. Step 5: Solve for x
    x = 8,521,779,709.94/106,141.79
  6. Step 6: Final answer
    x = 80,286.75

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1.5x scale

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.