Home / 146,021.13-219,055.38-57,226.50

Finding the Fourth Proportional to 146,021.13, 219,055.38 and 57,226.50

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Solution

The fourth proportional to 146,021.13, 219,055.38 and 57,226.50 is: 85,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021.13 : 219,055.38 = 57,226.50 : x
  2. Step 2: Convert to fraction form
    146,021.13/219,055.38 = 57,226.50/x
  3. Step 3: Cross multiply
    146,021.13x = 219,055.38 × 57,226.50
  4. Step 4: Simplify right side
    146,021.13x = 12,535,772,703.57
  5. Step 5: Solve for x
    x = 12,535,772,703.57/146,021.13
  6. Step 6: Final answer
    x = 85,849.03

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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.