Home / 106,747.55-159,998.05-40,145.17

Finding the Fourth Proportional to 106,747.55, 159,998.05 and 40,145.17

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Solution

The fourth proportional to 106,747.55, 159,998.05 and 40,145.17 is: 60,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,747.55 : 159,998.05 = 40,145.17 : x
  2. Step 2: Convert to fraction form
    106,747.55/159,998.05 = 40,145.17/x
  3. Step 3: Cross multiply
    106,747.55x = 159,998.05 × 40,145.17
  4. Step 4: Simplify right side
    106,747.55x = 6,423,147,916.20
  5. Step 5: Solve for x
    x = 6,423,147,916.20/106,747.55
  6. Step 6: Final answer
    x = 60,171.38

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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.