Home / 106,122.80-146,446.44-57,723.20

Finding the Fourth Proportional to 106,122.80, 146,446.44 and 57,723.20

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Solution

The fourth proportional to 106,122.80, 146,446.44 and 57,723.20 is: 79,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.80 : 146,446.44 = 57,723.20 : x
  2. Step 2: Convert to fraction form
    106,122.80/146,446.44 = 57,723.20/x
  3. Step 3: Cross multiply
    106,122.80x = 146,446.44 × 57,723.20
  4. Step 4: Simplify right side
    106,122.80x = 8,453,357,145.41
  5. Step 5: Solve for x
    x = 8,453,357,145.41/106,122.80
  6. Step 6: Final answer
    x = 79,656.37

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1.5x scale

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.