Home / 106,021.17-158,913.24-45,980.33

Finding the Fourth Proportional to 106,021.17, 158,913.24 and 45,980.33

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Solution

The fourth proportional to 106,021.17, 158,913.24 and 45,980.33 is: 68,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.17 : 158,913.24 = 45,980.33 : x
  2. Step 2: Convert to fraction form
    106,021.17/158,913.24 = 45,980.33/x
  3. Step 3: Cross multiply
    106,021.17x = 158,913.24 × 45,980.33
  4. Step 4: Simplify right side
    106,021.17x = 7,306,882,422.00
  5. Step 5: Solve for x
    x = 7,306,882,422.00/106,021.17
  6. Step 6: Final answer
    x = 68,919.09

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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.