Home / 106,807.20-159,992.10-54,246.30

Finding the Fourth Proportional to 106,807.20, 159,992.10 and 54,246.30

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Solution

The fourth proportional to 106,807.20, 159,992.10 and 54,246.30 is: 81,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,807.20 : 159,992.10 = 54,246.30 : x
  2. Step 2: Convert to fraction form
    106,807.20/159,992.10 = 54,246.30/x
  3. Step 3: Cross multiply
    106,807.20x = 159,992.10 × 54,246.30
  4. Step 4: Simplify right side
    106,807.20x = 8,678,979,454.23
  5. Step 5: Solve for x
    x = 8,678,979,454.23/106,807.20
  6. Step 6: Final answer
    x = 81,258.37

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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.